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Finding the Fourth Proportional to 19,396.36, 26,767.01 and 11,012.86

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Solution

The fourth proportional to 19,396.36, 26,767.01 and 11,012.86 is: 15,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.36 : 26,767.01 = 11,012.86 : x
  2. Step 2: Convert to fraction form
    19,396.36/26,767.01 = 11,012.86/x
  3. Step 3: Cross multiply
    19,396.36x = 26,767.01 × 11,012.86
  4. Step 4: Simplify right side
    19,396.36x = 294,781,211.77
  5. Step 5: Solve for x
    x = 294,781,211.77/19,396.36
  6. Step 6: Final answer
    x = 15,197.76

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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.