Home / 25,139.68-34,676.82-16,198.90

Finding the Fourth Proportional to 25,139.68, 34,676.82 and 16,198.90

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Solution

The fourth proportional to 25,139.68, 34,676.82 and 16,198.90 is: 22,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.68 : 34,676.82 = 16,198.90 : x
  2. Step 2: Convert to fraction form
    25,139.68/34,676.82 = 16,198.90/x
  3. Step 3: Cross multiply
    25,139.68x = 34,676.82 × 16,198.90
  4. Step 4: Simplify right side
    25,139.68x = 561,726,339.50
  5. Step 5: Solve for x
    x = 561,726,339.50/25,139.68
  6. Step 6: Final answer
    x = 22,344.21

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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.