Home / 18,747.30-25,872.48-10,791.48

Finding the Fourth Proportional to 18,747.30, 25,872.48 and 10,791.48

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Solution

The fourth proportional to 18,747.30, 25,872.48 and 10,791.48 is: 14,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.30 : 25,872.48 = 10,791.48 : x
  2. Step 2: Convert to fraction form
    18,747.30/25,872.48 = 10,791.48/x
  3. Step 3: Cross multiply
    18,747.30x = 25,872.48 × 10,791.48
  4. Step 4: Simplify right side
    18,747.30x = 279,202,350.47
  5. Step 5: Solve for x
    x = 279,202,350.47/18,747.30
  6. Step 6: Final answer
    x = 14,892.94

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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.