Home / 13,354.58-20,016.14-5,452.16

Finding the Fourth Proportional to 13,354.58, 20,016.14 and 5,452.16

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Solution

The fourth proportional to 13,354.58, 20,016.14 and 5,452.16 is: 8,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.58 : 20,016.14 = 5,452.16 : x
  2. Step 2: Convert to fraction form
    13,354.58/20,016.14 = 5,452.16/x
  3. Step 3: Cross multiply
    13,354.58x = 20,016.14 × 5,452.16
  4. Step 4: Simplify right side
    13,354.58x = 109,131,197.86
  5. Step 5: Solve for x
    x = 109,131,197.86/13,354.58
  6. Step 6: Final answer
    x = 8,171.82

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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.