Home / 22,145.20-33,219.15-7,355.41

Finding the Fourth Proportional to 22,145.20, 33,219.15 and 7,355.41

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Solution

The fourth proportional to 22,145.20, 33,219.15 and 7,355.41 is: 11,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.20 : 33,219.15 = 7,355.41 : x
  2. Step 2: Convert to fraction form
    22,145.20/33,219.15 = 7,355.41/x
  3. Step 3: Cross multiply
    22,145.20x = 33,219.15 × 7,355.41
  4. Step 4: Simplify right side
    22,145.20x = 244,340,468.10
  5. Step 5: Solve for x
    x = 244,340,468.10/22,145.20
  6. Step 6: Final answer
    x = 11,033.56

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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.