Home / 22,122.87-33,165.23-10,427.91

Finding the Fourth Proportional to 22,122.87, 33,165.23 and 10,427.91

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Solution

The fourth proportional to 22,122.87, 33,165.23 and 10,427.91 is: 15,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.87 : 33,165.23 = 10,427.91 : x
  2. Step 2: Convert to fraction form
    22,122.87/33,165.23 = 10,427.91/x
  3. Step 3: Cross multiply
    22,122.87x = 33,165.23 × 10,427.91
  4. Step 4: Simplify right side
    22,122.87x = 345,843,981.43
  5. Step 5: Solve for x
    x = 345,843,981.43/22,122.87
  6. Step 6: Final answer
    x = 15,632.87

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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.