Calculate the pressure required to pump propane using the formula given: P=(rho)gh When you are done, select the correct answer. the pressure required to pump propane having a relative density of 0.5 into a cavern at a depth of 3000 meters that is filled with brine having a relative density of 1.4? a. 55850 kPa b. 26500 KPa c. 15000 kPa d. 18000 kPa