Home / 21,906.43-32,865.10-6,324.05

Finding the Fourth Proportional to 21,906.43, 32,865.10 and 6,324.05

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Solution

The fourth proportional to 21,906.43, 32,865.10 and 6,324.05 is: 9,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.43 : 32,865.10 = 6,324.05 : x
  2. Step 2: Convert to fraction form
    21,906.43/32,865.10 = 6,324.05/x
  3. Step 3: Cross multiply
    21,906.43x = 32,865.10 × 6,324.05
  4. Step 4: Simplify right side
    21,906.43x = 207,840,602.01
  5. Step 5: Solve for x
    x = 207,840,602.01/21,906.43
  6. Step 6: Final answer
    x = 9,487.65

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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.