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Finding the Fourth Proportional to 18,635.62, 27,955.39 and 9,277.96

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Solution

The fourth proportional to 18,635.62, 27,955.39 and 9,277.96 is: 13,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.62 : 27,955.39 = 9,277.96 : x
  2. Step 2: Convert to fraction form
    18,635.62/27,955.39 = 9,277.96/x
  3. Step 3: Cross multiply
    18,635.62x = 27,955.39 × 9,277.96
  4. Step 4: Simplify right side
    18,635.62x = 259,368,990.20
  5. Step 5: Solve for x
    x = 259,368,990.20/18,635.62
  6. Step 6: Final answer
    x = 13,917.92

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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.