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Finding the Fourth Proportional to 18,843.53, 26,004.09 and 11,294.24

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Solution

The fourth proportional to 18,843.53, 26,004.09 and 11,294.24 is: 15,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.53 : 26,004.09 = 11,294.24 : x
  2. Step 2: Convert to fraction form
    18,843.53/26,004.09 = 11,294.24/x
  3. Step 3: Cross multiply
    18,843.53x = 26,004.09 × 11,294.24
  4. Step 4: Simplify right side
    18,843.53x = 293,696,433.44
  5. Step 5: Solve for x
    x = 293,696,433.44/18,843.53
  6. Step 6: Final answer
    x = 15,586.06

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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.