Home / 19,672.94-29,512.33-7,190.06

Finding the Fourth Proportional to 19,672.94, 29,512.33 and 7,190.06

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Solution

The fourth proportional to 19,672.94, 29,512.33 and 7,190.06 is: 10,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.94 : 29,512.33 = 7,190.06 : x
  2. Step 2: Convert to fraction form
    19,672.94/29,512.33 = 7,190.06/x
  3. Step 3: Cross multiply
    19,672.94x = 29,512.33 × 7,190.06
  4. Step 4: Simplify right side
    19,672.94x = 212,195,257.90
  5. Step 5: Solve for x
    x = 212,195,257.90/19,672.94
  6. Step 6: Final answer
    x = 10,786.15

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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.