Home / 22,589.93-31,179.31-15,036.56

Finding the Fourth Proportional to 22,589.93, 31,179.31 and 15,036.56

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Solution

The fourth proportional to 22,589.93, 31,179.31 and 15,036.56 is: 20,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.93 : 31,179.31 = 15,036.56 : x
  2. Step 2: Convert to fraction form
    22,589.93/31,179.31 = 15,036.56/x
  3. Step 3: Cross multiply
    22,589.93x = 31,179.31 × 15,036.56
  4. Step 4: Simplify right side
    22,589.93x = 468,829,565.57
  5. Step 5: Solve for x
    x = 468,829,565.57/22,589.93
  6. Step 6: Final answer
    x = 20,753.92

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Half scale
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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.