Home / 16,198.11-24,276.30-7,861.99

Finding the Fourth Proportional to 16,198.11, 24,276.30 and 7,861.99

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Solution

The fourth proportional to 16,198.11, 24,276.30 and 7,861.99 is: 11,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.11 : 24,276.30 = 7,861.99 : x
  2. Step 2: Convert to fraction form
    16,198.11/24,276.30 = 7,861.99/x
  3. Step 3: Cross multiply
    16,198.11x = 24,276.30 × 7,861.99
  4. Step 4: Simplify right side
    16,198.11x = 190,860,027.84
  5. Step 5: Solve for x
    x = 190,860,027.84/16,198.11
  6. Step 6: Final answer
    x = 11,782.86

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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.