Home / 27,001.65-40,524.15-12,211.86

Finding the Fourth Proportional to 27,001.65, 40,524.15 and 12,211.86

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Solution

The fourth proportional to 27,001.65, 40,524.15 and 12,211.86 is: 18,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,001.65 : 40,524.15 = 12,211.86 : x
  2. Step 2: Convert to fraction form
    27,001.65/40,524.15 = 12,211.86/x
  3. Step 3: Cross multiply
    27,001.65x = 40,524.15 × 12,211.86
  4. Step 4: Simplify right side
    27,001.65x = 494,875,375.49
  5. Step 5: Solve for x
    x = 494,875,375.49/27,001.65
  6. Step 6: Final answer
    x = 18,327.60

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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.