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Finding the Fourth Proportional to 19.37, 26.74 and 11.19

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Solution

The fourth proportional to 19.37, 26.74 and 11.19 is: 15.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.37 : 26.74 = 11.19 : x
  2. Step 2: Convert to fraction form
    19.37/26.74 = 11.19/x
  3. Step 3: Cross multiply
    19.37x = 26.74 × 11.19
  4. Step 4: Simplify right side
    19.37x = 299.10
  5. Step 5: Solve for x
    x = 299.10/19.37
  6. Step 6: Final answer
    x = 15.44

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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.