Home / 25,220.43-37,785.29-20,292.39

Finding the Fourth Proportional to 25,220.43, 37,785.29 and 20,292.39

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Solution

The fourth proportional to 25,220.43, 37,785.29 and 20,292.39 is: 30,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.43 : 37,785.29 = 20,292.39 : x
  2. Step 2: Convert to fraction form
    25,220.43/37,785.29 = 20,292.39/x
  3. Step 3: Cross multiply
    25,220.43x = 37,785.29 × 20,292.39
  4. Step 4: Simplify right side
    25,220.43x = 766,753,739.48
  5. Step 5: Solve for x
    x = 766,753,739.48/25,220.43
  6. Step 6: Final answer
    x = 30,402.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.