Home / 33,183.12-49,780.82-9,489.66

Finding the Fourth Proportional to 33,183.12, 49,780.82 and 9,489.66

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Solution

The fourth proportional to 33,183.12, 49,780.82 and 9,489.66 is: 14,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,183.12 : 49,780.82 = 9,489.66 : x
  2. Step 2: Convert to fraction form
    33,183.12/49,780.82 = 9,489.66/x
  3. Step 3: Cross multiply
    33,183.12x = 49,780.82 × 9,489.66
  4. Step 4: Simplify right side
    33,183.12x = 472,403,008.87
  5. Step 5: Solve for x
    x = 472,403,008.87/33,183.12
  6. Step 6: Final answer
    x = 14,236.24

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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.