Home / 22,121.87-33,163.72-10,426.91

Finding the Fourth Proportional to 22,121.87, 33,163.72 and 10,426.91

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Solution

The fourth proportional to 22,121.87, 33,163.72 and 10,426.91 is: 15,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.87 : 33,163.72 = 10,426.91 : x
  2. Step 2: Convert to fraction form
    22,121.87/33,163.72 = 10,426.91/x
  3. Step 3: Cross multiply
    22,121.87x = 33,163.72 × 10,426.91
  4. Step 4: Simplify right side
    22,121.87x = 345,795,123.71
  5. Step 5: Solve for x
    x = 345,795,123.71/22,121.87
  6. Step 6: Final answer
    x = 15,631.37

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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.