Home / 19,571.43-29,359.06-5,531.56

Finding the Fourth Proportional to 19,571.43, 29,359.06 and 5,531.56

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Solution

The fourth proportional to 19,571.43, 29,359.06 and 5,531.56 is: 8,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.43 : 29,359.06 = 5,531.56 : x
  2. Step 2: Convert to fraction form
    19,571.43/29,359.06 = 5,531.56/x
  3. Step 3: Cross multiply
    19,571.43x = 29,359.06 × 5,531.56
  4. Step 4: Simplify right side
    19,571.43x = 162,401,442.09
  5. Step 5: Solve for x
    x = 162,401,442.09/19,571.43
  6. Step 6: Final answer
    x = 8,297.88

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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.