Home / 16,886.40-25,329.60-5,198.10

Finding the Fourth Proportional to 16,886.40, 25,329.60 and 5,198.10

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Solution

The fourth proportional to 16,886.40, 25,329.60 and 5,198.10 is: 7,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.40 : 25,329.60 = 5,198.10 : x
  2. Step 2: Convert to fraction form
    16,886.40/25,329.60 = 5,198.10/x
  3. Step 3: Cross multiply
    16,886.40x = 25,329.60 × 5,198.10
  4. Step 4: Simplify right side
    16,886.40x = 131,665,793.76
  5. Step 5: Solve for x
    x = 131,665,793.76/16,886.40
  6. Step 6: Final answer
    x = 7,797.15

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1.5x scale

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.