Home / 19,162.82-28,745.04-6,684.10

Finding the Fourth Proportional to 19,162.82, 28,745.04 and 6,684.10

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Solution

The fourth proportional to 19,162.82, 28,745.04 and 6,684.10 is: 10,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.82 : 28,745.04 = 6,684.10 : x
  2. Step 2: Convert to fraction form
    19,162.82/28,745.04 = 6,684.10/x
  3. Step 3: Cross multiply
    19,162.82x = 28,745.04 × 6,684.10
  4. Step 4: Simplify right side
    19,162.82x = 192,134,721.86
  5. Step 5: Solve for x
    x = 192,134,721.86/19,162.82
  6. Step 6: Final answer
    x = 10,026.43

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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.