Home / 18,085.47-27,134.15-11,414.25

Finding the Fourth Proportional to 18,085.47, 27,134.15 and 11,414.25

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Solution

The fourth proportional to 18,085.47, 27,134.15 and 11,414.25 is: 17,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.47 : 27,134.15 = 11,414.25 : x
  2. Step 2: Convert to fraction form
    18,085.47/27,134.15 = 11,414.25/x
  3. Step 3: Cross multiply
    18,085.47x = 27,134.15 × 11,414.25
  4. Step 4: Simplify right side
    18,085.47x = 309,715,914.57
  5. Step 5: Solve for x
    x = 309,715,914.57/18,085.47
  6. Step 6: Final answer
    x = 17,125.12

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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.