Home / 13,947.82-19,247.94-7,574.44

Finding the Fourth Proportional to 13,947.82, 19,247.94 and 7,574.44

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Solution

The fourth proportional to 13,947.82, 19,247.94 and 7,574.44 is: 10,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.82 : 19,247.94 = 7,574.44 : x
  2. Step 2: Convert to fraction form
    13,947.82/19,247.94 = 7,574.44/x
  3. Step 3: Cross multiply
    13,947.82x = 19,247.94 × 7,574.44
  4. Step 4: Simplify right side
    13,947.82x = 145,792,366.65
  5. Step 5: Solve for x
    x = 145,792,366.65/13,947.82
  6. Step 6: Final answer
    x = 10,452.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.