Home / 22,737.20-31,380.06-13,305.75

Finding the Fourth Proportional to 22,737.20, 31,380.06 and 13,305.75

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Solution

The fourth proportional to 22,737.20, 31,380.06 and 13,305.75 is: 18,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.20 : 31,380.06 = 13,305.75 : x
  2. Step 2: Convert to fraction form
    22,737.20/31,380.06 = 13,305.75/x
  3. Step 3: Cross multiply
    22,737.20x = 31,380.06 × 13,305.75
  4. Step 4: Simplify right side
    22,737.20x = 417,535,233.35
  5. Step 5: Solve for x
    x = 417,535,233.35/22,737.20
  6. Step 6: Final answer
    x = 18,363.53

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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.