Home / 20,922.22-31,375.09-7,592.05

Finding the Fourth Proportional to 20,922.22, 31,375.09 and 7,592.05

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Solution

The fourth proportional to 20,922.22, 31,375.09 and 7,592.05 is: 11,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922.22 : 31,375.09 = 7,592.05 : x
  2. Step 2: Convert to fraction form
    20,922.22/31,375.09 = 7,592.05/x
  3. Step 3: Cross multiply
    20,922.22x = 31,375.09 × 7,592.05
  4. Step 4: Simplify right side
    20,922.22x = 238,201,252.03
  5. Step 5: Solve for x
    x = 238,201,252.03/20,922.22
  6. Step 6: Final answer
    x = 11,385.08

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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.