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Finding the Fourth Proportional to 18,843.93, 26,004.84 and 11,774.46

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Solution

The fourth proportional to 18,843.93, 26,004.84 and 11,774.46 is: 16,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.93 : 26,004.84 = 11,774.46 : x
  2. Step 2: Convert to fraction form
    18,843.93/26,004.84 = 11,774.46/x
  3. Step 3: Cross multiply
    18,843.93x = 26,004.84 × 11,774.46
  4. Step 4: Simplify right side
    18,843.93x = 306,192,948.39
  5. Step 5: Solve for x
    x = 306,192,948.39/18,843.93
  6. Step 6: Final answer
    x = 16,248.89

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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.