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Finding the Fourth Proportional to 14.03, 19.37 and 11.84

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Solution

The fourth proportional to 14.03, 19.37 and 11.84 is: 16.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.03 : 19.37 = 11.84 : x
  2. Step 2: Convert to fraction form
    14.03/19.37 = 11.84/x
  3. Step 3: Cross multiply
    14.03x = 19.37 × 11.84
  4. Step 4: Simplify right side
    14.03x = 229.34
  5. Step 5: Solve for x
    x = 229.34/14.03
  6. Step 6: Final answer
    x = 16.35

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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.