Home / 16,761.57-25,145.43-5,517.55

Finding the Fourth Proportional to 16,761.57, 25,145.43 and 5,517.55

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Solution

The fourth proportional to 16,761.57, 25,145.43 and 5,517.55 is: 8,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.57 : 25,145.43 = 5,517.55 : x
  2. Step 2: Convert to fraction form
    16,761.57/25,145.43 = 5,517.55/x
  3. Step 3: Cross multiply
    16,761.57x = 25,145.43 × 5,517.55
  4. Step 4: Simplify right side
    16,761.57x = 138,741,167.30
  5. Step 5: Solve for x
    x = 138,741,167.30/16,761.57
  6. Step 6: Final answer
    x = 8,277.34

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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.