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Finding the Fourth Proportional to 18,193, 25,107.51 and 11,027.86

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Solution

The fourth proportional to 18,193, 25,107.51 and 11,027.86 is: 15,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193 : 25,107.51 = 11,027.86 : x
  2. Step 2: Convert to fraction form
    18,193/25,107.51 = 11,027.86/x
  3. Step 3: Cross multiply
    18,193x = 25,107.51 × 11,027.86
  4. Step 4: Simplify right side
    18,193x = 276,882,105.23
  5. Step 5: Solve for x
    x = 276,882,105.23/18,193
  6. Step 6: Final answer
    x = 15,219.16

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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.