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Finding the Fourth Proportional to 14,216.44, 19,620.12 and 8,249.44

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Solution

The fourth proportional to 14,216.44, 19,620.12 and 8,249.44 is: 11,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.44 : 19,620.12 = 8,249.44 : x
  2. Step 2: Convert to fraction form
    14,216.44/19,620.12 = 8,249.44/x
  3. Step 3: Cross multiply
    14,216.44x = 19,620.12 × 8,249.44
  4. Step 4: Simplify right side
    14,216.44x = 161,855,002.73
  5. Step 5: Solve for x
    x = 161,855,002.73/14,216.44
  6. Step 6: Final answer
    x = 11,385.06

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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.