Home / 16,869.12-25,306.11-5,183.34

Finding the Fourth Proportional to 16,869.12, 25,306.11 and 5,183.34

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Solution

The fourth proportional to 16,869.12, 25,306.11 and 5,183.34 is: 7,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.12 : 25,306.11 = 5,183.34 : x
  2. Step 2: Convert to fraction form
    16,869.12/25,306.11 = 5,183.34/x
  3. Step 3: Cross multiply
    16,869.12x = 25,306.11 × 5,183.34
  4. Step 4: Simplify right side
    16,869.12x = 131,170,172.21
  5. Step 5: Solve for x
    x = 131,170,172.21/16,869.12
  6. Step 6: Final answer
    x = 7,775.76

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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.