Home / 27,618.19-38,113.10-15,042.94

Finding the Fourth Proportional to 27,618.19, 38,113.10 and 15,042.94

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Solution

The fourth proportional to 27,618.19, 38,113.10 and 15,042.94 is: 20,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.19 : 38,113.10 = 15,042.94 : x
  2. Step 2: Convert to fraction form
    27,618.19/38,113.10 = 15,042.94/x
  3. Step 3: Cross multiply
    27,618.19x = 38,113.10 × 15,042.94
  4. Step 4: Simplify right side
    27,618.19x = 573,332,962.43
  5. Step 5: Solve for x
    x = 573,332,962.43/27,618.19
  6. Step 6: Final answer
    x = 20,759.25

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Half scale
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Double 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.