Home / 13,198.78-19,796.34-3,337.46

Finding the Fourth Proportional to 13,198.78, 19,796.34 and 3,337.46

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Solution

The fourth proportional to 13,198.78, 19,796.34 and 3,337.46 is: 5,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.78 : 19,796.34 = 3,337.46 : x
  2. Step 2: Convert to fraction form
    13,198.78/19,796.34 = 3,337.46/x
  3. Step 3: Cross multiply
    13,198.78x = 19,796.34 × 3,337.46
  4. Step 4: Simplify right side
    13,198.78x = 66,069,492.90
  5. Step 5: Solve for x
    x = 66,069,492.90/13,198.78
  6. Step 6: Final answer
    x = 5,005.73

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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.