Home / 27,930.24-38,543.99-15,183.45

Finding the Fourth Proportional to 27,930.24, 38,543.99 and 15,183.45

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Solution

The fourth proportional to 27,930.24, 38,543.99 and 15,183.45 is: 20,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.24 : 38,543.99 = 15,183.45 : x
  2. Step 2: Convert to fraction form
    27,930.24/38,543.99 = 15,183.45/x
  3. Step 3: Cross multiply
    27,930.24x = 38,543.99 × 15,183.45
  4. Step 4: Simplify right side
    27,930.24x = 585,230,755.19
  5. Step 5: Solve for x
    x = 585,230,755.19/27,930.24
  6. Step 6: Final answer
    x = 20,953.30

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Half scale
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Double 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.