Home / 27,895.92-38,480.04-18,836.88

Finding the Fourth Proportional to 27,895.92, 38,480.04 and 18,836.88

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Solution

The fourth proportional to 27,895.92, 38,480.04 and 18,836.88 is: 25,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.92 : 38,480.04 = 18,836.88 : x
  2. Step 2: Convert to fraction form
    27,895.92/38,480.04 = 18,836.88/x
  3. Step 3: Cross multiply
    27,895.92x = 38,480.04 × 18,836.88
  4. Step 4: Simplify right side
    27,895.92x = 724,843,895.88
  5. Step 5: Solve for x
    x = 724,843,895.88/27,895.92
  6. Step 6: Final answer
    x = 25,983.87

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Half scale
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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.