Home / 25,691.02-38,500.30-12,167.84

Finding the Fourth Proportional to 25,691.02, 38,500.30 and 12,167.84

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Solution

The fourth proportional to 25,691.02, 38,500.30 and 12,167.84 is: 18,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.02 : 38,500.30 = 12,167.84 : x
  2. Step 2: Convert to fraction form
    25,691.02/38,500.30 = 12,167.84/x
  3. Step 3: Cross multiply
    25,691.02x = 38,500.30 × 12,167.84
  4. Step 4: Simplify right side
    25,691.02x = 468,465,490.35
  5. Step 5: Solve for x
    x = 468,465,490.35/25,691.02
  6. Step 6: Final answer
    x = 18,234.60

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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.