Home / 15,855.20-23,789.43-6,965.94

Finding the Fourth Proportional to 15,855.20, 23,789.43 and 6,965.94

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Solution

The fourth proportional to 15,855.20, 23,789.43 and 6,965.94 is: 10,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.20 : 23,789.43 = 6,965.94 : x
  2. Step 2: Convert to fraction form
    15,855.20/23,789.43 = 6,965.94/x
  3. Step 3: Cross multiply
    15,855.20x = 23,789.43 × 6,965.94
  4. Step 4: Simplify right side
    15,855.20x = 165,715,742.01
  5. Step 5: Solve for x
    x = 165,715,742.01/15,855.20
  6. Step 6: Final answer
    x = 10,451.82

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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.