Home / 22,635.54-31,240.79-12,567.21

Finding the Fourth Proportional to 22,635.54, 31,240.79 and 12,567.21

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Solution

The fourth proportional to 22,635.54, 31,240.79 and 12,567.21 is: 17,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.54 : 31,240.79 = 12,567.21 : x
  2. Step 2: Convert to fraction form
    22,635.54/31,240.79 = 12,567.21/x
  3. Step 3: Cross multiply
    22,635.54x = 31,240.79 × 12,567.21
  4. Step 4: Simplify right side
    22,635.54x = 392,609,505.66
  5. Step 5: Solve for x
    x = 392,609,505.66/22,635.54
  6. Step 6: Final answer
    x = 17,344.83

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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.