Home / 19,450.55-29,175.85-5,410.58

Finding the Fourth Proportional to 19,450.55, 29,175.85 and 5,410.58

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Solution

The fourth proportional to 19,450.55, 29,175.85 and 5,410.58 is: 8,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.55 : 29,175.85 = 5,410.58 : x
  2. Step 2: Convert to fraction form
    19,450.55/29,175.85 = 5,410.58/x
  3. Step 3: Cross multiply
    19,450.55x = 29,175.85 × 5,410.58
  4. Step 4: Simplify right side
    19,450.55x = 157,858,100.94
  5. Step 5: Solve for x
    x = 157,858,100.94/19,450.55
  6. Step 6: Final answer
    x = 8,115.87

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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.