Home / 20,737.32-28,617.69-11,306.07

Finding the Fourth Proportional to 20,737.32, 28,617.69 and 11,306.07

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Solution

The fourth proportional to 20,737.32, 28,617.69 and 11,306.07 is: 15,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.32 : 28,617.69 = 11,306.07 : x
  2. Step 2: Convert to fraction form
    20,737.32/28,617.69 = 11,306.07/x
  3. Step 3: Cross multiply
    20,737.32x = 28,617.69 × 11,306.07
  4. Step 4: Simplify right side
    20,737.32x = 323,553,606.38
  5. Step 5: Solve for x
    x = 323,553,606.38/20,737.32
  6. Step 6: Final answer
    x = 15,602.48

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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.