Home / 16,689.41-25,034.89-9,288.30

Finding the Fourth Proportional to 16,689.41, 25,034.89 and 9,288.30

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Solution

The fourth proportional to 16,689.41, 25,034.89 and 9,288.30 is: 13,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.41 : 25,034.89 = 9,288.30 : x
  2. Step 2: Convert to fraction form
    16,689.41/25,034.89 = 9,288.30/x
  3. Step 3: Cross multiply
    16,689.41x = 25,034.89 × 9,288.30
  4. Step 4: Simplify right side
    16,689.41x = 232,531,469.10
  5. Step 5: Solve for x
    x = 232,531,469.10/16,689.41
  6. Step 6: Final answer
    x = 13,932.87

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1.5x scale

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.