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Finding the Fourth Proportional to 16.37, 22.47 and 13.94

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Solution

The fourth proportional to 16.37, 22.47 and 13.94 is: 19.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.37 : 22.47 = 13.94 : x
  2. Step 2: Convert to fraction form
    16.37/22.47 = 13.94/x
  3. Step 3: Cross multiply
    16.37x = 22.47 × 13.94
  4. Step 4: Simplify right side
    16.37x = 313.23
  5. Step 5: Solve for x
    x = 313.23/16.37
  6. Step 6: Final answer
    x = 19.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.