Home / 27,382.48-41,079.92-8,663.68

Finding the Fourth Proportional to 27,382.48, 41,079.92 and 8,663.68

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Solution

The fourth proportional to 27,382.48, 41,079.92 and 8,663.68 is: 12,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.48 : 41,079.92 = 8,663.68 : x
  2. Step 2: Convert to fraction form
    27,382.48/41,079.92 = 8,663.68/x
  3. Step 3: Cross multiply
    27,382.48x = 41,079.92 × 8,663.68
  4. Step 4: Simplify right side
    27,382.48x = 355,903,281.31
  5. Step 5: Solve for x
    x = 355,903,281.31/27,382.48
  6. Step 6: Final answer
    x = 12,997.48

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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.