Home / 13,305.44-19,961.36-6,731.44

Finding the Fourth Proportional to 13,305.44, 19,961.36 and 6,731.44

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Solution

The fourth proportional to 13,305.44, 19,961.36 and 6,731.44 is: 10,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.44 : 19,961.36 = 6,731.44 : x
  2. Step 2: Convert to fraction form
    13,305.44/19,961.36 = 6,731.44/x
  3. Step 3: Cross multiply
    13,305.44x = 19,961.36 × 6,731.44
  4. Step 4: Simplify right side
    13,305.44x = 134,368,697.16
  5. Step 5: Solve for x
    x = 134,368,697.16/13,305.44
  6. Step 6: Final answer
    x = 10,098.78

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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.