Home / 13,273.99-19,919.08-5,481.79

Finding the Fourth Proportional to 13,273.99, 19,919.08 and 5,481.79

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Solution

The fourth proportional to 13,273.99, 19,919.08 and 5,481.79 is: 8,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.99 : 19,919.08 = 5,481.79 : x
  2. Step 2: Convert to fraction form
    13,273.99/19,919.08 = 5,481.79/x
  3. Step 3: Cross multiply
    13,273.99x = 19,919.08 × 5,481.79
  4. Step 4: Simplify right side
    13,273.99x = 109,192,213.55
  5. Step 5: Solve for x
    x = 109,192,213.55/13,273.99
  6. Step 6: Final answer
    x = 8,226.03

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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.