Home / 16,108.29-22,218.30-11,338.20

Finding the Fourth Proportional to 16,108.29, 22,218.30 and 11,338.20

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Solution

The fourth proportional to 16,108.29, 22,218.30 and 11,338.20 is: 15,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.29 : 22,218.30 = 11,338.20 : x
  2. Step 2: Convert to fraction form
    16,108.29/22,218.30 = 11,338.20/x
  3. Step 3: Cross multiply
    16,108.29x = 22,218.30 × 11,338.20
  4. Step 4: Simplify right side
    16,108.29x = 251,915,529.06
  5. Step 5: Solve for x
    x = 251,915,529.06/16,108.29
  6. Step 6: Final answer
    x = 15,638.87

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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.