Home / 18,141.17-25,046.62-11,071.69

Finding the Fourth Proportional to 18,141.17, 25,046.62 and 11,071.69

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Solution

The fourth proportional to 18,141.17, 25,046.62 and 11,071.69 is: 15,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.17 : 25,046.62 = 11,071.69 : x
  2. Step 2: Convert to fraction form
    18,141.17/25,046.62 = 11,071.69/x
  3. Step 3: Cross multiply
    18,141.17x = 25,046.62 × 11,071.69
  4. Step 4: Simplify right side
    18,141.17x = 277,308,321.89
  5. Step 5: Solve for x
    x = 277,308,321.89/18,141.17
  6. Step 6: Final answer
    x = 15,286.14

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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.