Home / 27,220.89-40,833.66-7,499.46

Finding the Fourth Proportional to 27,220.89, 40,833.66 and 7,499.46

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Solution

The fourth proportional to 27,220.89, 40,833.66 and 7,499.46 is: 11,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.89 : 40,833.66 = 7,499.46 : x
  2. Step 2: Convert to fraction form
    27,220.89/40,833.66 = 7,499.46/x
  3. Step 3: Cross multiply
    27,220.89x = 40,833.66 × 7,499.46
  4. Step 4: Simplify right side
    27,220.89x = 306,230,399.82
  5. Step 5: Solve for x
    x = 306,230,399.82/27,220.89
  6. Step 6: Final answer
    x = 11,249.83

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.