Home / 17,081.66-23,561.34-11,121.14

Finding the Fourth Proportional to 17,081.66, 23,561.34 and 11,121.14

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Solution

The fourth proportional to 17,081.66, 23,561.34 and 11,121.14 is: 15,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.66 : 23,561.34 = 11,121.14 : x
  2. Step 2: Convert to fraction form
    17,081.66/23,561.34 = 11,121.14/x
  3. Step 3: Cross multiply
    17,081.66x = 23,561.34 × 11,121.14
  4. Step 4: Simplify right side
    17,081.66x = 262,028,960.73
  5. Step 5: Solve for x
    x = 262,028,960.73/17,081.66
  6. Step 6: Final answer
    x = 15,339.78

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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.