Home / 13,183.24-19,771.62-4,415.80

Finding the Fourth Proportional to 13,183.24, 19,771.62 and 4,415.80

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Solution

The fourth proportional to 13,183.24, 19,771.62 and 4,415.80 is: 6,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.24 : 19,771.62 = 4,415.80 : x
  2. Step 2: Convert to fraction form
    13,183.24/19,771.62 = 4,415.80/x
  3. Step 3: Cross multiply
    13,183.24x = 19,771.62 × 4,415.80
  4. Step 4: Simplify right side
    13,183.24x = 87,307,519.60
  5. Step 5: Solve for x
    x = 87,307,519.60/13,183.24
  6. Step 6: Final answer
    x = 6,622.61

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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.