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Finding the Fourth Proportional to 14.93, 20.60 and 14.01

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Solution

The fourth proportional to 14.93, 20.60 and 14.01 is: 19.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.93 : 20.60 = 14.01 : x
  2. Step 2: Convert to fraction form
    14.93/20.60 = 14.01/x
  3. Step 3: Cross multiply
    14.93x = 20.60 × 14.01
  4. Step 4: Simplify right side
    14.93x = 288.54
  5. Step 5: Solve for x
    x = 288.54/14.93
  6. Step 6: Final answer
    x = 19.33

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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.