Home / 22,028.53-30,399.39-11,956.97

Finding the Fourth Proportional to 22,028.53, 30,399.39 and 11,956.97

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Solution

The fourth proportional to 22,028.53, 30,399.39 and 11,956.97 is: 16,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.53 : 30,399.39 = 11,956.97 : x
  2. Step 2: Convert to fraction form
    22,028.53/30,399.39 = 11,956.97/x
  3. Step 3: Cross multiply
    22,028.53x = 30,399.39 × 11,956.97
  4. Step 4: Simplify right side
    22,028.53x = 363,484,532.88
  5. Step 5: Solve for x
    x = 363,484,532.88/22,028.53
  6. Step 6: Final answer
    x = 16,500.62

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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.