Home / 13,575.30-20,350.19-7,325.96

Finding the Fourth Proportional to 13,575.30, 20,350.19 and 7,325.96

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Solution

The fourth proportional to 13,575.30, 20,350.19 and 7,325.96 is: 10,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.30 : 20,350.19 = 7,325.96 : x
  2. Step 2: Convert to fraction form
    13,575.30/20,350.19 = 7,325.96/x
  3. Step 3: Cross multiply
    13,575.30x = 20,350.19 × 7,325.96
  4. Step 4: Simplify right side
    13,575.30x = 149,084,539.55
  5. Step 5: Solve for x
    x = 149,084,539.55/13,575.30
  6. Step 6: Final answer
    x = 10,982.04

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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.