Home / 28,134.84-38,826.24-16,198.08

Finding the Fourth Proportional to 28,134.84, 38,826.24 and 16,198.08

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Solution

The fourth proportional to 28,134.84, 38,826.24 and 16,198.08 is: 22,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.84 : 38,826.24 = 16,198.08 : x
  2. Step 2: Convert to fraction form
    28,134.84/38,826.24 = 16,198.08/x
  3. Step 3: Cross multiply
    28,134.84x = 38,826.24 × 16,198.08
  4. Step 4: Simplify right side
    28,134.84x = 628,910,335.28
  5. Step 5: Solve for x
    x = 628,910,335.28/28,134.84
  6. Step 6: Final answer
    x = 22,353.43

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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.