Home / 22,479.28-31,023.10-13,049.26

Finding the Fourth Proportional to 22,479.28, 31,023.10 and 13,049.26

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Solution

The fourth proportional to 22,479.28, 31,023.10 and 13,049.26 is: 18,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.28 : 31,023.10 = 13,049.26 : x
  2. Step 2: Convert to fraction form
    22,479.28/31,023.10 = 13,049.26/x
  3. Step 3: Cross multiply
    22,479.28x = 31,023.10 × 13,049.26
  4. Step 4: Simplify right side
    22,479.28x = 404,828,497.91
  5. Step 5: Solve for x
    x = 404,828,497.91/22,479.28
  6. Step 6: Final answer
    x = 18,008.96

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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.