Home / 38,481.15-57,725.02-13,519.03

Finding the Fourth Proportional to 38,481.15, 57,725.02 and 13,519.03

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Solution

The fourth proportional to 38,481.15, 57,725.02 and 13,519.03 is: 20,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.15 : 57,725.02 = 13,519.03 : x
  2. Step 2: Convert to fraction form
    38,481.15/57,725.02 = 13,519.03/x
  3. Step 3: Cross multiply
    38,481.15x = 57,725.02 × 13,519.03
  4. Step 4: Simplify right side
    38,481.15x = 780,386,277.13
  5. Step 5: Solve for x
    x = 780,386,277.13/38,481.15
  6. Step 6: Final answer
    x = 20,279.70

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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.