Home / 16,938.08-25,374.31-8,179.14

Finding the Fourth Proportional to 16,938.08, 25,374.31 and 8,179.14

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Solution

The fourth proportional to 16,938.08, 25,374.31 and 8,179.14 is: 12,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.08 : 25,374.31 = 8,179.14 : x
  2. Step 2: Convert to fraction form
    16,938.08/25,374.31 = 8,179.14/x
  3. Step 3: Cross multiply
    16,938.08x = 25,374.31 × 8,179.14
  4. Step 4: Simplify right side
    16,938.08x = 207,540,154.61
  5. Step 5: Solve for x
    x = 207,540,154.61/16,938.08
  6. Step 6: Final answer
    x = 12,252.87

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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.