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Finding the Fourth Proportional to 14.83, 22.12 and 12.44

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Solution

The fourth proportional to 14.83, 22.12 and 12.44 is: 18.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.83 : 22.12 = 12.44 : x
  2. Step 2: Convert to fraction form
    14.83/22.12 = 12.44/x
  3. Step 3: Cross multiply
    14.83x = 22.12 × 12.44
  4. Step 4: Simplify right side
    14.83x = 275.22
  5. Step 5: Solve for x
    x = 275.22/14.83
  6. Step 6: Final answer
    x = 18.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.