Home / 13,090.22-19,634.82-3,229.24

Finding the Fourth Proportional to 13,090.22, 19,634.82 and 3,229.24

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Solution

The fourth proportional to 13,090.22, 19,634.82 and 3,229.24 is: 4,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.22 : 19,634.82 = 3,229.24 : x
  2. Step 2: Convert to fraction form
    13,090.22/19,634.82 = 3,229.24/x
  3. Step 3: Cross multiply
    13,090.22x = 19,634.82 × 3,229.24
  4. Step 4: Simplify right side
    13,090.22x = 63,405,581.52
  5. Step 5: Solve for x
    x = 63,405,581.52/13,090.22
  6. Step 6: Final answer
    x = 4,843.74

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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.