Home / 24,643.20-36,989.10-12,177.30

Finding the Fourth Proportional to 24,643.20, 36,989.10 and 12,177.30

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Solution

The fourth proportional to 24,643.20, 36,989.10 and 12,177.30 is: 18,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,643.20 : 36,989.10 = 12,177.30 : x
  2. Step 2: Convert to fraction form
    24,643.20/36,989.10 = 12,177.30/x
  3. Step 3: Cross multiply
    24,643.20x = 36,989.10 × 12,177.30
  4. Step 4: Simplify right side
    24,643.20x = 450,427,367.43
  5. Step 5: Solve for x
    x = 450,427,367.43/24,643.20
  6. Step 6: Final answer
    x = 18,277.96

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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.