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Finding the Fourth Proportional to 18,236.93, 27,355.39 and 14,082.99

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Solution

The fourth proportional to 18,236.93, 27,355.39 and 14,082.99 is: 21,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.93 : 27,355.39 = 14,082.99 : x
  2. Step 2: Convert to fraction form
    18,236.93/27,355.39 = 14,082.99/x
  3. Step 3: Cross multiply
    18,236.93x = 27,355.39 × 14,082.99
  4. Step 4: Simplify right side
    18,236.93x = 385,245,648.61
  5. Step 5: Solve for x
    x = 385,245,648.61/18,236.93
  6. Step 6: Final answer
    x = 21,124.49

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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.