Home / 19,163.55-28,738.16-6,680.37

Finding the Fourth Proportional to 19,163.55, 28,738.16 and 6,680.37

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Solution

The fourth proportional to 19,163.55, 28,738.16 and 6,680.37 is: 10,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.55 : 28,738.16 = 6,680.37 : x
  2. Step 2: Convert to fraction form
    19,163.55/28,738.16 = 6,680.37/x
  3. Step 3: Cross multiply
    19,163.55x = 28,738.16 × 6,680.37
  4. Step 4: Simplify right side
    19,163.55x = 191,981,508.52
  5. Step 5: Solve for x
    x = 191,981,508.52/19,163.55
  6. Step 6: Final answer
    x = 10,018.06

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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.