Home / 27,676.69-38,193.79-15,101.44

Finding the Fourth Proportional to 27,676.69, 38,193.79 and 15,101.44

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Solution

The fourth proportional to 27,676.69, 38,193.79 and 15,101.44 is: 20,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.69 : 38,193.79 = 15,101.44 : x
  2. Step 2: Convert to fraction form
    27,676.69/38,193.79 = 15,101.44/x
  3. Step 3: Cross multiply
    27,676.69x = 38,193.79 × 15,101.44
  4. Step 4: Simplify right side
    27,676.69x = 576,781,228.06
  5. Step 5: Solve for x
    x = 576,781,228.06/27,676.69
  6. Step 6: Final answer
    x = 20,839.96

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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.