Home / 18,084.10-27,126.15-11,863.30

Finding the Fourth Proportional to 18,084.10, 27,126.15 and 11,863.30

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Solution

The fourth proportional to 18,084.10, 27,126.15 and 11,863.30 is: 17,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.10 : 27,126.15 = 11,863.30 : x
  2. Step 2: Convert to fraction form
    18,084.10/27,126.15 = 11,863.30/x
  3. Step 3: Cross multiply
    18,084.10x = 27,126.15 × 11,863.30
  4. Step 4: Simplify right side
    18,084.10x = 321,805,655.30
  5. Step 5: Solve for x
    x = 321,805,655.30/18,084.10
  6. Step 6: Final answer
    x = 17,794.95

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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.