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Finding the Fourth Proportional to 18,248.20, 27,383.10 and 12,026.20

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Solution

The fourth proportional to 18,248.20, 27,383.10 and 12,026.20 is: 18,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.20 : 27,383.10 = 12,026.20 : x
  2. Step 2: Convert to fraction form
    18,248.20/27,383.10 = 12,026.20/x
  3. Step 3: Cross multiply
    18,248.20x = 27,383.10 × 12,026.20
  4. Step 4: Simplify right side
    18,248.20x = 329,314,637.22
  5. Step 5: Solve for x
    x = 329,314,637.22/18,248.20
  6. Step 6: Final answer
    x = 18,046.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.