Home / 21,832.82-32,753.19-12,483.38

Finding the Fourth Proportional to 21,832.82, 32,753.19 and 12,483.38

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Solution

The fourth proportional to 21,832.82, 32,753.19 and 12,483.38 is: 18,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.82 : 32,753.19 = 12,483.38 : x
  2. Step 2: Convert to fraction form
    21,832.82/32,753.19 = 12,483.38/x
  3. Step 3: Cross multiply
    21,832.82x = 32,753.19 × 12,483.38
  4. Step 4: Simplify right side
    21,832.82x = 408,870,516.98
  5. Step 5: Solve for x
    x = 408,870,516.98/21,832.82
  6. Step 6: Final answer
    x = 18,727.33

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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.