Home / 38,190.62-57,272.25-13,223.97

Finding the Fourth Proportional to 38,190.62, 57,272.25 and 13,223.97

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Solution

The fourth proportional to 38,190.62, 57,272.25 and 13,223.97 is: 19,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.62 : 57,272.25 = 13,223.97 : x
  2. Step 2: Convert to fraction form
    38,190.62/57,272.25 = 13,223.97/x
  3. Step 3: Cross multiply
    38,190.62x = 57,272.25 × 13,223.97
  4. Step 4: Simplify right side
    38,190.62x = 757,366,229.47
  5. Step 5: Solve for x
    x = 757,366,229.47/38,190.62
  6. Step 6: Final answer
    x = 19,831.21

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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.