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Finding the Fourth Proportional to 19,624.59, 27,084.22 and 11,013.14

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Solution

The fourth proportional to 19,624.59, 27,084.22 and 11,013.14 is: 15,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.59 : 27,084.22 = 11,013.14 : x
  2. Step 2: Convert to fraction form
    19,624.59/27,084.22 = 11,013.14/x
  3. Step 3: Cross multiply
    19,624.59x = 27,084.22 × 11,013.14
  4. Step 4: Simplify right side
    19,624.59x = 298,282,306.65
  5. Step 5: Solve for x
    x = 298,282,306.65/19,624.59
  6. Step 6: Final answer
    x = 15,199.42

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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.