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Finding the Fourth Proportional to 18,016.30, 27,024.54 and 8,144.02

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Solution

The fourth proportional to 18,016.30, 27,024.54 and 8,144.02 is: 12,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.30 : 27,024.54 = 8,144.02 : x
  2. Step 2: Convert to fraction form
    18,016.30/27,024.54 = 8,144.02/x
  3. Step 3: Cross multiply
    18,016.30x = 27,024.54 × 8,144.02
  4. Step 4: Simplify right side
    18,016.30x = 220,088,394.25
  5. Step 5: Solve for x
    x = 220,088,394.25/18,016.30
  6. Step 6: Final answer
    x = 12,216.07

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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.