Home / 24,209.20-36,331.80-12,516.40

Finding the Fourth Proportional to 24,209.20, 36,331.80 and 12,516.40

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Solution

The fourth proportional to 24,209.20, 36,331.80 and 12,516.40 is: 18,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,209.20 : 36,331.80 = 12,516.40 : x
  2. Step 2: Convert to fraction form
    24,209.20/36,331.80 = 12,516.40/x
  3. Step 3: Cross multiply
    24,209.20x = 36,331.80 × 12,516.40
  4. Step 4: Simplify right side
    24,209.20x = 454,743,341.52
  5. Step 5: Solve for x
    x = 454,743,341.52/24,209.20
  6. Step 6: Final answer
    x = 18,783.91

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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.