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Finding the Fourth Proportional to 17,238.14, 23,788.62 and 9,786.14

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Solution

The fourth proportional to 17,238.14, 23,788.62 and 9,786.14 is: 13,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.14 : 23,788.62 = 9,786.14 : x
  2. Step 2: Convert to fraction form
    17,238.14/23,788.62 = 9,786.14/x
  3. Step 3: Cross multiply
    17,238.14x = 23,788.62 × 9,786.14
  4. Step 4: Simplify right side
    17,238.14x = 232,798,765.73
  5. Step 5: Solve for x
    x = 232,798,765.73/17,238.14
  6. Step 6: Final answer
    x = 13,504.87

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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.