Home / 22,724.40-31,359.18-12,652.92

Finding the Fourth Proportional to 22,724.40, 31,359.18 and 12,652.92

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Solution

The fourth proportional to 22,724.40, 31,359.18 and 12,652.92 is: 17,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.40 : 31,359.18 = 12,652.92 : x
  2. Step 2: Convert to fraction form
    22,724.40/31,359.18 = 12,652.92/x
  3. Step 3: Cross multiply
    22,724.40x = 31,359.18 × 12,652.92
  4. Step 4: Simplify right side
    22,724.40x = 396,785,195.81
  5. Step 5: Solve for x
    x = 396,785,195.81/22,724.40
  6. Step 6: Final answer
    x = 17,460.76

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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.