Home / 18,251.39-25,185.17-11,085.23

Finding the Fourth Proportional to 18,251.39, 25,185.17 and 11,085.23

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Solution

The fourth proportional to 18,251.39, 25,185.17 and 11,085.23 is: 15,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.39 : 25,185.17 = 11,085.23 : x
  2. Step 2: Convert to fraction form
    18,251.39/25,185.17 = 11,085.23/x
  3. Step 3: Cross multiply
    18,251.39x = 25,185.17 × 11,085.23
  4. Step 4: Simplify right side
    18,251.39x = 279,183,402.04
  5. Step 5: Solve for x
    x = 279,183,402.04/18,251.39
  6. Step 6: Final answer
    x = 15,296.56

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Half scale
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Double scale
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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.