Home / 22,638.38-31,241.10-12,567.44

Finding the Fourth Proportional to 22,638.38, 31,241.10 and 12,567.44

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Solution

The fourth proportional to 22,638.38, 31,241.10 and 12,567.44 is: 17,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.38 : 31,241.10 = 12,567.44 : x
  2. Step 2: Convert to fraction form
    22,638.38/31,241.10 = 12,567.44/x
  3. Step 3: Cross multiply
    22,638.38x = 31,241.10 × 12,567.44
  4. Step 4: Simplify right side
    22,638.38x = 392,620,493.58
  5. Step 5: Solve for x
    x = 392,620,493.58/22,638.38
  6. Step 6: Final answer
    x = 17,343.14

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Half scale
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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.