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Finding the Fourth Proportional to 14.94, 22.51 and 13.27

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Solution

The fourth proportional to 14.94, 22.51 and 13.27 is: 19.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.94 : 22.51 = 13.27 : x
  2. Step 2: Convert to fraction form
    14.94/22.51 = 13.27/x
  3. Step 3: Cross multiply
    14.94x = 22.51 × 13.27
  4. Step 4: Simplify right side
    14.94x = 298.71
  5. Step 5: Solve for x
    x = 298.71/14.94
  6. Step 6: Final answer
    x = 19.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.