Home / 13,269.75-19,912.31-6,696.44

Finding the Fourth Proportional to 13,269.75, 19,912.31 and 6,696.44

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Solution

The fourth proportional to 13,269.75, 19,912.31 and 6,696.44 is: 10,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.75 : 19,912.31 = 6,696.44 : x
  2. Step 2: Convert to fraction form
    13,269.75/19,912.31 = 6,696.44/x
  3. Step 3: Cross multiply
    13,269.75x = 19,912.31 × 6,696.44
  4. Step 4: Simplify right side
    13,269.75x = 133,341,589.18
  5. Step 5: Solve for x
    x = 133,341,589.18/13,269.75
  6. Step 6: Final answer
    x = 10,048.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.