Home / 13,452.96-20,179.54-4,687.86

Finding the Fourth Proportional to 13,452.96, 20,179.54 and 4,687.86

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Solution

The fourth proportional to 13,452.96, 20,179.54 and 4,687.86 is: 7,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.96 : 20,179.54 = 4,687.86 : x
  2. Step 2: Convert to fraction form
    13,452.96/20,179.54 = 4,687.86/x
  3. Step 3: Cross multiply
    13,452.96x = 20,179.54 × 4,687.86
  4. Step 4: Simplify right side
    13,452.96x = 94,598,858.38
  5. Step 5: Solve for x
    x = 94,598,858.38/13,452.96
  6. Step 6: Final answer
    x = 7,031.82

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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.