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Finding the Fourth Proportional to 19.23, 26.51 and 14.37

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Solution

The fourth proportional to 19.23, 26.51 and 14.37 is: 19.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.23 : 26.51 = 14.37 : x
  2. Step 2: Convert to fraction form
    19.23/26.51 = 14.37/x
  3. Step 3: Cross multiply
    19.23x = 26.51 × 14.37
  4. Step 4: Simplify right side
    19.23x = 380.88
  5. Step 5: Solve for x
    x = 380.88/19.23
  6. Step 6: Final answer
    x = 19.81

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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.