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Finding the Fourth Proportional to 14.83, 22.19 and 12.32

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Solution

The fourth proportional to 14.83, 22.19 and 12.32 is: 18.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.83 : 22.19 = 12.32 : x
  2. Step 2: Convert to fraction form
    14.83/22.19 = 12.32/x
  3. Step 3: Cross multiply
    14.83x = 22.19 × 12.32
  4. Step 4: Simplify right side
    14.83x = 273.36
  5. Step 5: Solve for x
    x = 273.36/14.83
  6. Step 6: Final answer
    x = 18.43

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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.