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Finding the Fourth Proportional to 12,235.74, 18,435.22 and 11,067.08

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Solution

The fourth proportional to 12,235.74, 18,435.22 and 11,067.08 is: 16,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.74 : 18,435.22 = 11,067.08 : x
  2. Step 2: Convert to fraction form
    12,235.74/18,435.22 = 11,067.08/x
  3. Step 3: Cross multiply
    12,235.74x = 18,435.22 × 11,067.08
  4. Step 4: Simplify right side
    12,235.74x = 204,024,054.56
  5. Step 5: Solve for x
    x = 204,024,054.56/12,235.74
  6. Step 6: Final answer
    x = 16,674.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.