Home / 27,663.68-41,480.91-12,072.80

Finding the Fourth Proportional to 27,663.68, 41,480.91 and 12,072.80

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Solution

The fourth proportional to 27,663.68, 41,480.91 and 12,072.80 is: 18,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.68 : 41,480.91 = 12,072.80 : x
  2. Step 2: Convert to fraction form
    27,663.68/41,480.91 = 12,072.80/x
  3. Step 3: Cross multiply
    27,663.68x = 41,480.91 × 12,072.80
  4. Step 4: Simplify right side
    27,663.68x = 500,790,600.62
  5. Step 5: Solve for x
    x = 500,790,600.62/27,663.68
  6. Step 6: Final answer
    x = 18,102.82

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1.5x scale

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.