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Finding the Fourth Proportional to 18.07, 24.96 and 14.23

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Solution

The fourth proportional to 18.07, 24.96 and 14.23 is: 19.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.07 : 24.96 = 14.23 : x
  2. Step 2: Convert to fraction form
    18.07/24.96 = 14.23/x
  3. Step 3: Cross multiply
    18.07x = 24.96 × 14.23
  4. Step 4: Simplify right side
    18.07x = 355.04
  5. Step 5: Solve for x
    x = 355.04/18.07
  6. Step 6: Final answer
    x = 19.64

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