Home / 38,010.72-57,013.20-13,369.44

Finding the Fourth Proportional to 38,010.72, 57,013.20 and 13,369.44

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Solution

The fourth proportional to 38,010.72, 57,013.20 and 13,369.44 is: 20,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.72 : 57,013.20 = 13,369.44 : x
  2. Step 2: Convert to fraction form
    38,010.72/57,013.20 = 13,369.44/x
  3. Step 3: Cross multiply
    38,010.72x = 57,013.20 × 13,369.44
  4. Step 4: Simplify right side
    38,010.72x = 762,234,556.61
  5. Step 5: Solve for x
    x = 762,234,556.61/38,010.72
  6. Step 6: Final answer
    x = 20,053.15

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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.