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Finding the Fourth Proportional to 18,843.22, 26,008.23 and 11,294.02

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Solution

The fourth proportional to 18,843.22, 26,008.23 and 11,294.02 is: 15,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.22 : 26,008.23 = 11,294.02 : x
  2. Step 2: Convert to fraction form
    18,843.22/26,008.23 = 11,294.02/x
  3. Step 3: Cross multiply
    18,843.22x = 26,008.23 × 11,294.02
  4. Step 4: Simplify right side
    18,843.22x = 293,737,469.78
  5. Step 5: Solve for x
    x = 293,737,469.78/18,843.22
  6. Step 6: Final answer
    x = 15,588.50

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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.