Home / 17,942.82-24,761.97-10,869.90

Finding the Fourth Proportional to 17,942.82, 24,761.97 and 10,869.90

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Solution

The fourth proportional to 17,942.82, 24,761.97 and 10,869.90 is: 15,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.82 : 24,761.97 = 10,869.90 : x
  2. Step 2: Convert to fraction form
    17,942.82/24,761.97 = 10,869.90/x
  3. Step 3: Cross multiply
    17,942.82x = 24,761.97 × 10,869.90
  4. Step 4: Simplify right side
    17,942.82x = 269,160,137.70
  5. Step 5: Solve for x
    x = 269,160,137.70/17,942.82
  6. Step 6: Final answer
    x = 15,000.99

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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.