Home / 27,229.59-40,849.85-12,434.54

Finding the Fourth Proportional to 27,229.59, 40,849.85 and 12,434.54

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Solution

The fourth proportional to 27,229.59, 40,849.85 and 12,434.54 is: 18,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.59 : 40,849.85 = 12,434.54 : x
  2. Step 2: Convert to fraction form
    27,229.59/40,849.85 = 12,434.54/x
  3. Step 3: Cross multiply
    27,229.59x = 40,849.85 × 12,434.54
  4. Step 4: Simplify right side
    27,229.59x = 507,948,920.66
  5. Step 5: Solve for x
    x = 507,948,920.66/27,229.59
  6. Step 6: Final answer
    x = 18,654.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.