Home / 23,142.39-34,729.17-9,996.09

Finding the Fourth Proportional to 23,142.39, 34,729.17 and 9,996.09

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Solution

The fourth proportional to 23,142.39, 34,729.17 and 9,996.09 is: 15,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.39 : 34,729.17 = 9,996.09 : x
  2. Step 2: Convert to fraction form
    23,142.39/34,729.17 = 9,996.09/x
  3. Step 3: Cross multiply
    23,142.39x = 34,729.17 × 9,996.09
  4. Step 4: Simplify right side
    23,142.39x = 347,155,908.95
  5. Step 5: Solve for x
    x = 347,155,908.95/23,142.39
  6. Step 6: Final answer
    x = 15,000.87

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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.