Home / 18,179.19-27,257.60-7,072.92

Finding the Fourth Proportional to 18,179.19, 27,257.60 and 7,072.92

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Solution

The fourth proportional to 18,179.19, 27,257.60 and 7,072.92 is: 10,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.19 : 27,257.60 = 7,072.92 : x
  2. Step 2: Convert to fraction form
    18,179.19/27,257.60 = 7,072.92/x
  3. Step 3: Cross multiply
    18,179.19x = 27,257.60 × 7,072.92
  4. Step 4: Simplify right side
    18,179.19x = 192,790,841.87
  5. Step 5: Solve for x
    x = 192,790,841.87/18,179.19
  6. Step 6: Final answer
    x = 10,605.03

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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.