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Finding the Fourth Proportional to 14.94, 22.39 and 11.93

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Solution

The fourth proportional to 14.94, 22.39 and 11.93 is: 17.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.94 : 22.39 = 11.93 : x
  2. Step 2: Convert to fraction form
    14.94/22.39 = 11.93/x
  3. Step 3: Cross multiply
    14.94x = 22.39 × 11.93
  4. Step 4: Simplify right side
    14.94x = 267.11
  5. Step 5: Solve for x
    x = 267.11/14.94
  6. Step 6: Final answer
    x = 17.88

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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.