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Finding the Fourth Proportional to 18,183.26, 27,287.44 and 11,946.26

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Solution

The fourth proportional to 18,183.26, 27,287.44 and 11,946.26 is: 17,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.26 : 27,287.44 = 11,946.26 : x
  2. Step 2: Convert to fraction form
    18,183.26/27,287.44 = 11,946.26/x
  3. Step 3: Cross multiply
    18,183.26x = 27,287.44 × 11,946.26
  4. Step 4: Simplify right side
    18,183.26x = 325,982,852.97
  5. Step 5: Solve for x
    x = 325,982,852.97/18,183.26
  6. Step 6: Final answer
    x = 17,927.64

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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.