Home / 16,974.43-23,424.68-9,420.85

Finding the Fourth Proportional to 16,974.43, 23,424.68 and 9,420.85

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Solution

The fourth proportional to 16,974.43, 23,424.68 and 9,420.85 is: 13,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.43 : 23,424.68 = 9,420.85 : x
  2. Step 2: Convert to fraction form
    16,974.43/23,424.68 = 9,420.85/x
  3. Step 3: Cross multiply
    16,974.43x = 23,424.68 × 9,420.85
  4. Step 4: Simplify right side
    16,974.43x = 220,680,414.08
  5. Step 5: Solve for x
    x = 220,680,414.08/16,974.43
  6. Step 6: Final answer
    x = 13,000.76

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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.