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Finding the Fourth Proportional to 14.83, 22.27 and 12.93

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Solution

The fourth proportional to 14.83, 22.27 and 12.93 is: 19.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.83 : 22.27 = 12.93 : x
  2. Step 2: Convert to fraction form
    14.83/22.27 = 12.93/x
  3. Step 3: Cross multiply
    14.83x = 22.27 × 12.93
  4. Step 4: Simplify right side
    14.83x = 287.98
  5. Step 5: Solve for x
    x = 287.98/14.83
  6. Step 6: Final answer
    x = 19.41

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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.