Home / 27,930.26-38,543.98-15,183.44

Finding the Fourth Proportional to 27,930.26, 38,543.98 and 15,183.44

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Solution

The fourth proportional to 27,930.26, 38,543.98 and 15,183.44 is: 20,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.26 : 38,543.98 = 15,183.44 : x
  2. Step 2: Convert to fraction form
    27,930.26/38,543.98 = 15,183.44/x
  3. Step 3: Cross multiply
    27,930.26x = 38,543.98 × 15,183.44
  4. Step 4: Simplify right side
    27,930.26x = 585,230,207.69
  5. Step 5: Solve for x
    x = 585,230,207.69/27,930.26
  6. Step 6: Final answer
    x = 20,953.27

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Half scale
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Similar ratio
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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.