Home / 27,418.76-41,121.99-12,613.46

Finding the Fourth Proportional to 27,418.76, 41,121.99 and 12,613.46

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Solution

The fourth proportional to 27,418.76, 41,121.99 and 12,613.46 is: 18,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.76 : 41,121.99 = 12,613.46 : x
  2. Step 2: Convert to fraction form
    27,418.76/41,121.99 = 12,613.46/x
  3. Step 3: Cross multiply
    27,418.76x = 41,121.99 × 12,613.46
  4. Step 4: Simplify right side
    27,418.76x = 518,690,575.99
  5. Step 5: Solve for x
    x = 518,690,575.99/27,418.76
  6. Step 6: Final answer
    x = 18,917.36

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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.