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Finding the Fourth Proportional to 15.14, 22.73 and 14.81

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Solution

The fourth proportional to 15.14, 22.73 and 14.81 is: 22.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.14 : 22.73 = 14.81 : x
  2. Step 2: Convert to fraction form
    15.14/22.73 = 14.81/x
  3. Step 3: Cross multiply
    15.14x = 22.73 × 14.81
  4. Step 4: Simplify right side
    15.14x = 336.56
  5. Step 5: Solve for x
    x = 336.56/15.14
  6. Step 6: Final answer
    x = 22.23

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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.