reach impacts the wheelbase length from the BB (with the fork angle, offset & stack).
https://www.bike-stats.de/en/geometrie_vergleich?Bike1=Orbea_Wild%20(full%2029%22)_2025_M&Bike2=Orbea_Wild%20(full%2029%22)_2025_L
If this indeed is this Wild, your ratio can be calculated as weel from the RTF...