Home / 18,640.46-25,729.26-11,092.12

Finding the Fourth Proportional to 18,640.46, 25,729.26 and 11,092.12

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Solution

The fourth proportional to 18,640.46, 25,729.26 and 11,092.12 is: 15,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.46 : 25,729.26 = 11,092.12 : x
  2. Step 2: Convert to fraction form
    18,640.46/25,729.26 = 11,092.12/x
  3. Step 3: Cross multiply
    18,640.46x = 25,729.26 × 11,092.12
  4. Step 4: Simplify right side
    18,640.46x = 285,392,039.43
  5. Step 5: Solve for x
    x = 285,392,039.43/18,640.46
  6. Step 6: Final answer
    x = 15,310.35

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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.