Home / 22,724.64-31,369.68-15,276.96

Finding the Fourth Proportional to 22,724.64, 31,369.68 and 15,276.96

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Solution

The fourth proportional to 22,724.64, 31,369.68 and 15,276.96 is: 21,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.64 : 31,369.68 = 15,276.96 : x
  2. Step 2: Convert to fraction form
    22,724.64/31,369.68 = 15,276.96/x
  3. Step 3: Cross multiply
    22,724.64x = 31,369.68 × 15,276.96
  4. Step 4: Simplify right side
    22,724.64x = 479,233,346.57
  5. Step 5: Solve for x
    x = 479,233,346.57/22,724.64
  6. Step 6: Final answer
    x = 21,088.71

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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.