I have the project management dashboard. My question is how can I represent the Gantt in a way that the fonts represented are the same as the same size fonts in the other areas of the dashboard?
The gantt chart packs a lot of information into one compact view. By making the fonts in it larger, you will not be able to show much of it in the view.
If you still prefer, go to the worksheet named gantt chart and adjust the font sizes. Whatever changes you make here will be reflected in the final dashboard.