Home / 38,301.39-57,453.60-13,343.97

Finding the Fourth Proportional to 38,301.39, 57,453.60 and 13,343.97

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Solution

The fourth proportional to 38,301.39, 57,453.60 and 13,343.97 is: 20,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.39 : 57,453.60 = 13,343.97 : x
  2. Step 2: Convert to fraction form
    38,301.39/57,453.60 = 13,343.97/x
  3. Step 3: Cross multiply
    38,301.39x = 57,453.60 × 13,343.97
  4. Step 4: Simplify right side
    38,301.39x = 766,659,380.28
  5. Step 5: Solve for x
    x = 766,659,380.28/38,301.39
  6. Step 6: Final answer
    x = 20,016.49

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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.