Home / 22,183.98-30,614.62-12,113.18

Finding the Fourth Proportional to 22,183.98, 30,614.62 and 12,113.18

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Solution

The fourth proportional to 22,183.98, 30,614.62 and 12,113.18 is: 16,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.98 : 30,614.62 = 12,113.18 : x
  2. Step 2: Convert to fraction form
    22,183.98/30,614.62 = 12,113.18/x
  3. Step 3: Cross multiply
    22,183.98x = 30,614.62 × 12,113.18
  4. Step 4: Simplify right side
    22,183.98x = 370,840,503.04
  5. Step 5: Solve for x
    x = 370,840,503.04/22,183.98
  6. Step 6: Final answer
    x = 16,716.59

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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.