Home / 22,028.62-30,399.21-11,956.98

Finding the Fourth Proportional to 22,028.62, 30,399.21 and 11,956.98

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Solution

The fourth proportional to 22,028.62, 30,399.21 and 11,956.98 is: 16,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.62 : 30,399.21 = 11,956.98 : x
  2. Step 2: Convert to fraction form
    22,028.62/30,399.21 = 11,956.98/x
  3. Step 3: Cross multiply
    22,028.62x = 30,399.21 × 11,956.98
  4. Step 4: Simplify right side
    22,028.62x = 363,482,745.99
  5. Step 5: Solve for x
    x = 363,482,745.99/22,028.62
  6. Step 6: Final answer
    x = 16,500.48

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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.