Home / 13,764.25-18,998.06-7,799.44

Finding the Fourth Proportional to 13,764.25, 18,998.06 and 7,799.44

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Solution

The fourth proportional to 13,764.25, 18,998.06 and 7,799.44 is: 10,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.25 : 18,998.06 = 7,799.44 : x
  2. Step 2: Convert to fraction form
    13,764.25/18,998.06 = 7,799.44/x
  3. Step 3: Cross multiply
    13,764.25x = 18,998.06 × 7,799.44
  4. Step 4: Simplify right side
    13,764.25x = 148,174,142.59
  5. Step 5: Solve for x
    x = 148,174,142.59/13,764.25
  6. Step 6: Final answer
    x = 10,765.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.