Home / 13,933.44-19,227.84-7,645.44

Finding the Fourth Proportional to 13,933.44, 19,227.84 and 7,645.44

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Solution

The fourth proportional to 13,933.44, 19,227.84 and 7,645.44 is: 10,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.44 : 19,227.84 = 7,645.44 : x
  2. Step 2: Convert to fraction form
    13,933.44/19,227.84 = 7,645.44/x
  3. Step 3: Cross multiply
    13,933.44x = 19,227.84 × 7,645.44
  4. Step 4: Simplify right side
    13,933.44x = 147,005,297.05
  5. Step 5: Solve for x
    x = 147,005,297.05/13,933.44
  6. Step 6: Final answer
    x = 10,550.54

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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.