Home / 24,132.60-36,121.14-12,429.72

Finding the Fourth Proportional to 24,132.60, 36,121.14 and 12,429.72

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Solution

The fourth proportional to 24,132.60, 36,121.14 and 12,429.72 is: 18,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,132.60 : 36,121.14 = 12,429.72 : x
  2. Step 2: Convert to fraction form
    24,132.60/36,121.14 = 12,429.72/x
  3. Step 3: Cross multiply
    24,132.60x = 36,121.14 × 12,429.72
  4. Step 4: Simplify right side
    24,132.60x = 448,975,656.28
  5. Step 5: Solve for x
    x = 448,975,656.28/24,132.60
  6. Step 6: Final answer
    x = 18,604.53

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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.