Home / 17,002.80-23,452.20-16,691.76

Finding the Fourth Proportional to 17,002.80, 23,452.20 and 16,691.76

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Solution

The fourth proportional to 17,002.80, 23,452.20 and 16,691.76 is: 23,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.80 : 23,452.20 = 16,691.76 : x
  2. Step 2: Convert to fraction form
    17,002.80/23,452.20 = 16,691.76/x
  3. Step 3: Cross multiply
    17,002.80x = 23,452.20 × 16,691.76
  4. Step 4: Simplify right side
    17,002.80x = 391,458,493.87
  5. Step 5: Solve for x
    x = 391,458,493.87/17,002.80
  6. Step 6: Final answer
    x = 23,023.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.