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Finding the Fourth Proportional to 18,794.08, 25,926.24 and 11,717.92

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Solution

The fourth proportional to 18,794.08, 25,926.24 and 11,717.92 is: 16,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.08 : 25,926.24 = 11,717.92 : x
  2. Step 2: Convert to fraction form
    18,794.08/25,926.24 = 11,717.92/x
  3. Step 3: Cross multiply
    18,794.08x = 25,926.24 × 11,717.92
  4. Step 4: Simplify right side
    18,794.08x = 303,801,606.22
  5. Step 5: Solve for x
    x = 303,801,606.22/18,794.08
  6. Step 6: Final answer
    x = 16,164.75

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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.