Home / 13,703.68-20,496.12-8,067.92

Finding the Fourth Proportional to 13,703.68, 20,496.12 and 8,067.92

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Solution

The fourth proportional to 13,703.68, 20,496.12 and 8,067.92 is: 12,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.68 : 20,496.12 = 8,067.92 : x
  2. Step 2: Convert to fraction form
    13,703.68/20,496.12 = 8,067.92/x
  3. Step 3: Cross multiply
    13,703.68x = 20,496.12 × 8,067.92
  4. Step 4: Simplify right side
    13,703.68x = 165,360,953.99
  5. Step 5: Solve for x
    x = 165,360,953.99/13,703.68
  6. Step 6: Final answer
    x = 12,066.91

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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.