Home / 15,132.59-22,694.27-12,163.99

Finding the Fourth Proportional to 15,132.59, 22,694.27 and 12,163.99

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Solution

The fourth proportional to 15,132.59, 22,694.27 and 12,163.99 is: 18,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.59 : 22,694.27 = 12,163.99 : x
  2. Step 2: Convert to fraction form
    15,132.59/22,694.27 = 12,163.99/x
  3. Step 3: Cross multiply
    15,132.59x = 22,694.27 × 12,163.99
  4. Step 4: Simplify right side
    15,132.59x = 276,052,873.34
  5. Step 5: Solve for x
    x = 276,052,873.34/15,132.59
  6. Step 6: Final answer
    x = 18,242.28

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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.