Home / 13,481.56-20,212.62-4,714.12

Finding the Fourth Proportional to 13,481.56, 20,212.62 and 4,714.12

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Solution

The fourth proportional to 13,481.56, 20,212.62 and 4,714.12 is: 7,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.56 : 20,212.62 = 4,714.12 : x
  2. Step 2: Convert to fraction form
    13,481.56/20,212.62 = 4,714.12/x
  3. Step 3: Cross multiply
    13,481.56x = 20,212.62 × 4,714.12
  4. Step 4: Simplify right side
    13,481.56x = 95,284,716.19
  5. Step 5: Solve for x
    x = 95,284,716.19/13,481.56
  6. Step 6: Final answer
    x = 7,067.78

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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.