Home / 38,346.92-57,546.65-13,386.97

Finding the Fourth Proportional to 38,346.92, 57,546.65 and 13,386.97

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Solution

The fourth proportional to 38,346.92, 57,546.65 and 13,386.97 is: 20,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.92 : 57,546.65 = 13,386.97 : x
  2. Step 2: Convert to fraction form
    38,346.92/57,546.65 = 13,386.97/x
  3. Step 3: Cross multiply
    38,346.92x = 57,546.65 × 13,386.97
  4. Step 4: Simplify right side
    38,346.92x = 770,375,277.15
  5. Step 5: Solve for x
    x = 770,375,277.15/38,346.92
  6. Step 6: Final answer
    x = 20,089.63

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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.