Home / 12,753.33-19,131.44-3,393.73

Finding the Fourth Proportional to 12,753.33, 19,131.44 and 3,393.73

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Solution

The fourth proportional to 12,753.33, 19,131.44 and 3,393.73 is: 5,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.33 : 19,131.44 = 3,393.73 : x
  2. Step 2: Convert to fraction form
    12,753.33/19,131.44 = 3,393.73/x
  3. Step 3: Cross multiply
    12,753.33x = 19,131.44 × 3,393.73
  4. Step 4: Simplify right side
    12,753.33x = 64,926,941.87
  5. Step 5: Solve for x
    x = 64,926,941.87/12,753.33
  6. Step 6: Final answer
    x = 5,090.98

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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.