Home / 16,958.52-25,432.92-10,387.80

Finding the Fourth Proportional to 16,958.52, 25,432.92 and 10,387.80

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Solution

The fourth proportional to 16,958.52, 25,432.92 and 10,387.80 is: 15,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.52 : 25,432.92 = 10,387.80 : x
  2. Step 2: Convert to fraction form
    16,958.52/25,432.92 = 10,387.80/x
  3. Step 3: Cross multiply
    16,958.52x = 25,432.92 × 10,387.80
  4. Step 4: Simplify right side
    16,958.52x = 264,192,086.38
  5. Step 5: Solve for x
    x = 264,192,086.38/16,958.52
  6. Step 6: Final answer
    x = 15,578.72

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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.