Home / 17,942.40-24,791.20-17,311.68

Finding the Fourth Proportional to 17,942.40, 24,791.20 and 17,311.68

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Solution

The fourth proportional to 17,942.40, 24,791.20 and 17,311.68 is: 23,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.40 : 24,791.20 = 17,311.68 : x
  2. Step 2: Convert to fraction form
    17,942.40/24,791.20 = 17,311.68/x
  3. Step 3: Cross multiply
    17,942.40x = 24,791.20 × 17,311.68
  4. Step 4: Simplify right side
    17,942.40x = 429,177,321.22
  5. Step 5: Solve for x
    x = 429,177,321.22/17,942.40
  6. Step 6: Final answer
    x = 23,919.73

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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.