Home / 25,571.73-35,334.76-19,921.07

Finding the Fourth Proportional to 25,571.73, 35,334.76 and 19,921.07

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Solution

The fourth proportional to 25,571.73, 35,334.76 and 19,921.07 is: 27,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.73 : 35,334.76 = 19,921.07 : x
  2. Step 2: Convert to fraction form
    25,571.73/35,334.76 = 19,921.07/x
  3. Step 3: Cross multiply
    25,571.73x = 35,334.76 × 19,921.07
  4. Step 4: Simplify right side
    25,571.73x = 703,906,265.93
  5. Step 5: Solve for x
    x = 703,906,265.93/25,571.73
  6. Step 6: Final answer
    x = 27,526.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.