Home / 27,676.68-38,194.74-15,102.12

Finding the Fourth Proportional to 27,676.68, 38,194.74 and 15,102.12

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Solution

The fourth proportional to 27,676.68, 38,194.74 and 15,102.12 is: 20,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.68 : 38,194.74 = 15,102.12 : x
  2. Step 2: Convert to fraction form
    27,676.68/38,194.74 = 15,102.12/x
  3. Step 3: Cross multiply
    27,676.68x = 38,194.74 × 15,102.12
  4. Step 4: Simplify right side
    27,676.68x = 576,821,546.85
  5. Step 5: Solve for x
    x = 576,821,546.85/27,676.68
  6. Step 6: Final answer
    x = 20,841.43

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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.