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Finding the Fourth Proportional to 14.96, 20.53 and 13.96

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Solution

The fourth proportional to 14.96, 20.53 and 13.96 is: 19.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.96 : 20.53 = 13.96 : x
  2. Step 2: Convert to fraction form
    14.96/20.53 = 13.96/x
  3. Step 3: Cross multiply
    14.96x = 20.53 × 13.96
  4. Step 4: Simplify right side
    14.96x = 286.60
  5. Step 5: Solve for x
    x = 286.60/14.96
  6. Step 6: Final answer
    x = 19.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.