Home / 13,452.52-20,166.48-5,661.88

Finding the Fourth Proportional to 13,452.52, 20,166.48 and 5,661.88

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Solution

The fourth proportional to 13,452.52, 20,166.48 and 5,661.88 is: 8,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.52 : 20,166.48 = 5,661.88 : x
  2. Step 2: Convert to fraction form
    13,452.52/20,166.48 = 5,661.88/x
  3. Step 3: Cross multiply
    13,452.52x = 20,166.48 × 5,661.88
  4. Step 4: Simplify right side
    13,452.52x = 114,180,189.78
  5. Step 5: Solve for x
    x = 114,180,189.78/13,452.52
  6. Step 6: Final answer
    x = 8,487.64

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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.