Home / 16,103.68-22,221.36-9,028.48

Finding the Fourth Proportional to 16,103.68, 22,221.36 and 9,028.48

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Solution

The fourth proportional to 16,103.68, 22,221.36 and 9,028.48 is: 12,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.68 : 22,221.36 = 9,028.48 : x
  2. Step 2: Convert to fraction form
    16,103.68/22,221.36 = 9,028.48/x
  3. Step 3: Cross multiply
    16,103.68x = 22,221.36 × 9,028.48
  4. Step 4: Simplify right side
    16,103.68x = 200,625,104.33
  5. Step 5: Solve for x
    x = 200,625,104.33/16,103.68
  6. Step 6: Final answer
    x = 12,458.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.