Home / 38,481.08-57,730.25-13,522.84

Finding the Fourth Proportional to 38,481.08, 57,730.25 and 13,522.84

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Solution

The fourth proportional to 38,481.08, 57,730.25 and 13,522.84 is: 20,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.08 : 57,730.25 = 13,522.84 : x
  2. Step 2: Convert to fraction form
    38,481.08/57,730.25 = 13,522.84/x
  3. Step 3: Cross multiply
    38,481.08x = 57,730.25 × 13,522.84
  4. Step 4: Simplify right side
    38,481.08x = 780,676,823.39
  5. Step 5: Solve for x
    x = 780,676,823.39/38,481.08
  6. Step 6: Final answer
    x = 20,287.29

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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.