Home / 13,629.26-20,451.82-5,731.20

Finding the Fourth Proportional to 13,629.26, 20,451.82 and 5,731.20

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Solution

The fourth proportional to 13,629.26, 20,451.82 and 5,731.20 is: 8,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.26 : 20,451.82 = 5,731.20 : x
  2. Step 2: Convert to fraction form
    13,629.26/20,451.82 = 5,731.20/x
  3. Step 3: Cross multiply
    13,629.26x = 20,451.82 × 5,731.20
  4. Step 4: Simplify right side
    13,629.26x = 117,213,470.78
  5. Step 5: Solve for x
    x = 117,213,470.78/13,629.26
  6. Step 6: Final answer
    x = 8,600.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.