Home / 19,512.30-26,928.19-11,015.85

Finding the Fourth Proportional to 19,512.30, 26,928.19 and 11,015.85

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Solution

The fourth proportional to 19,512.30, 26,928.19 and 11,015.85 is: 15,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.30 : 26,928.19 = 11,015.85 : x
  2. Step 2: Convert to fraction form
    19,512.30/26,928.19 = 11,015.85/x
  3. Step 3: Cross multiply
    19,512.30x = 26,928.19 × 11,015.85
  4. Step 4: Simplify right side
    19,512.30x = 296,636,901.81
  5. Step 5: Solve for x
    x = 296,636,901.81/19,512.30
  6. Step 6: Final answer
    x = 15,202.56

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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.