Home / 18,115.33-27,179.07-7,022.38

Finding the Fourth Proportional to 18,115.33, 27,179.07 and 7,022.38

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Solution

The fourth proportional to 18,115.33, 27,179.07 and 7,022.38 is: 10,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.33 : 27,179.07 = 7,022.38 : x
  2. Step 2: Convert to fraction form
    18,115.33/27,179.07 = 7,022.38/x
  3. Step 3: Cross multiply
    18,115.33x = 27,179.07 × 7,022.38
  4. Step 4: Simplify right side
    18,115.33x = 190,861,689.64
  5. Step 5: Solve for x
    x = 190,861,689.64/18,115.33
  6. Step 6: Final answer
    x = 10,535.92

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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.