Home / 21,861.12-32,788.01-6,067.75

Finding the Fourth Proportional to 21,861.12, 32,788.01 and 6,067.75

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Solution

The fourth proportional to 21,861.12, 32,788.01 and 6,067.75 is: 9,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.12 : 32,788.01 = 6,067.75 : x
  2. Step 2: Convert to fraction form
    21,861.12/32,788.01 = 6,067.75/x
  3. Step 3: Cross multiply
    21,861.12x = 32,788.01 × 6,067.75
  4. Step 4: Simplify right side
    21,861.12x = 198,949,503.64
  5. Step 5: Solve for x
    x = 198,949,503.64/21,861.12
  6. Step 6: Final answer
    x = 9,100.61

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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.