Home / 36,193.60-54,287.70-15,128.20

Finding the Fourth Proportional to 36,193.60, 54,287.70 and 15,128.20

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Solution

The fourth proportional to 36,193.60, 54,287.70 and 15,128.20 is: 22,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,193.60 : 54,287.70 = 15,128.20 : x
  2. Step 2: Convert to fraction form
    36,193.60/54,287.70 = 15,128.20/x
  3. Step 3: Cross multiply
    36,193.60x = 54,287.70 × 15,128.20
  4. Step 4: Simplify right side
    36,193.60x = 821,275,183.14
  5. Step 5: Solve for x
    x = 821,275,183.14/36,193.60
  6. Step 6: Final answer
    x = 22,691.17

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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.