Home / 27,613.61-38,105.92-16,283.80

Finding the Fourth Proportional to 27,613.61, 38,105.92 and 16,283.80

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Solution

The fourth proportional to 27,613.61, 38,105.92 and 16,283.80 is: 22,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.61 : 38,105.92 = 16,283.80 : x
  2. Step 2: Convert to fraction form
    27,613.61/38,105.92 = 16,283.80/x
  3. Step 3: Cross multiply
    27,613.61x = 38,105.92 × 16,283.80
  4. Step 4: Simplify right side
    27,613.61x = 620,509,180.10
  5. Step 5: Solve for x
    x = 620,509,180.10/27,613.61
  6. Step 6: Final answer
    x = 22,471.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.