Home / 24,081.30-36,124.38-12,389.76

Finding the Fourth Proportional to 24,081.30, 36,124.38 and 12,389.76

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Solution

The fourth proportional to 24,081.30, 36,124.38 and 12,389.76 is: 18,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,081.30 : 36,124.38 = 12,389.76 : x
  2. Step 2: Convert to fraction form
    24,081.30/36,124.38 = 12,389.76/x
  3. Step 3: Cross multiply
    24,081.30x = 36,124.38 × 12,389.76
  4. Step 4: Simplify right side
    24,081.30x = 447,572,398.35
  5. Step 5: Solve for x
    x = 447,572,398.35/24,081.30
  6. Step 6: Final answer
    x = 18,585.89

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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.