Home / 22,540.20-31,104.20-12,467.97

Finding the Fourth Proportional to 22,540.20, 31,104.20 and 12,467.97

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Solution

The fourth proportional to 22,540.20, 31,104.20 and 12,467.97 is: 17,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.20 : 31,104.20 = 12,467.97 : x
  2. Step 2: Convert to fraction form
    22,540.20/31,104.20 = 12,467.97/x
  3. Step 3: Cross multiply
    22,540.20x = 31,104.20 × 12,467.97
  4. Step 4: Simplify right side
    22,540.20x = 387,806,170.13
  5. Step 5: Solve for x
    x = 387,806,170.13/22,540.20
  6. Step 6: Final answer
    x = 17,205.09

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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.