Home / 21,922.56-32,902.23-11,399.04

Finding the Fourth Proportional to 21,922.56, 32,902.23 and 11,399.04

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Solution

The fourth proportional to 21,922.56, 32,902.23 and 11,399.04 is: 17,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.56 : 32,902.23 = 11,399.04 : x
  2. Step 2: Convert to fraction form
    21,922.56/32,902.23 = 11,399.04/x
  3. Step 3: Cross multiply
    21,922.56x = 32,902.23 × 11,399.04
  4. Step 4: Simplify right side
    21,922.56x = 375,053,835.86
  5. Step 5: Solve for x
    x = 375,053,835.86/21,922.56
  6. Step 6: Final answer
    x = 17,108.12

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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.