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Finding the Fourth Proportional to 19.53, 26.94 and 14

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Solution

The fourth proportional to 19.53, 26.94 and 14 is: 19.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.53 : 26.94 = 14 : x
  2. Step 2: Convert to fraction form
    19.53/26.94 = 14/x
  3. Step 3: Cross multiply
    19.53x = 26.94 × 14
  4. Step 4: Simplify right side
    19.53x = 377.16
  5. Step 5: Solve for x
    x = 377.16/19.53
  6. Step 6: Final answer
    x = 19.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.