Home / 15,819.28-23,729-4,132.52

Finding the Fourth Proportional to 15,819.28, 23,729 and 4,132.52

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Solution

The fourth proportional to 15,819.28, 23,729 and 4,132.52 is: 6,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.28 : 23,729 = 4,132.52 : x
  2. Step 2: Convert to fraction form
    15,819.28/23,729 = 4,132.52/x
  3. Step 3: Cross multiply
    15,819.28x = 23,729 × 4,132.52
  4. Step 4: Simplify right side
    15,819.28x = 98,060,567.08
  5. Step 5: Solve for x
    x = 98,060,567.08/15,819.28
  6. Step 6: Final answer
    x = 6,198.80

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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.