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Finding the Fourth Proportional to 18,843.93, 26,004.92 and 13,467.69

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Solution

The fourth proportional to 18,843.93, 26,004.92 and 13,467.69 is: 18,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.93 : 26,004.92 = 13,467.69 : x
  2. Step 2: Convert to fraction form
    18,843.93/26,004.92 = 13,467.69/x
  3. Step 3: Cross multiply
    18,843.93x = 26,004.92 × 13,467.69
  4. Step 4: Simplify right side
    18,843.93x = 350,226,133.70
  5. Step 5: Solve for x
    x = 350,226,133.70/18,843.93
  6. Step 6: Final answer
    x = 18,585.62

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Half scale
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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.