Home / 19,455.62-29,183.59-8,361.54

Finding the Fourth Proportional to 19,455.62, 29,183.59 and 8,361.54

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Solution

The fourth proportional to 19,455.62, 29,183.59 and 8,361.54 is: 12,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.62 : 29,183.59 = 8,361.54 : x
  2. Step 2: Convert to fraction form
    19,455.62/29,183.59 = 8,361.54/x
  3. Step 3: Cross multiply
    19,455.62x = 29,183.59 × 8,361.54
  4. Step 4: Simplify right side
    19,455.62x = 244,019,755.13
  5. Step 5: Solve for x
    x = 244,019,755.13/19,455.62
  6. Step 6: Final answer
    x = 12,542.38

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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.