Home / 13,010.76-19,515.44-3,651.42

Finding the Fourth Proportional to 13,010.76, 19,515.44 and 3,651.42

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Solution

The fourth proportional to 13,010.76, 19,515.44 and 3,651.42 is: 5,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.76 : 19,515.44 = 3,651.42 : x
  2. Step 2: Convert to fraction form
    13,010.76/19,515.44 = 3,651.42/x
  3. Step 3: Cross multiply
    13,010.76x = 19,515.44 × 3,651.42
  4. Step 4: Simplify right side
    13,010.76x = 71,259,067.92
  5. Step 5: Solve for x
    x = 71,259,067.92/13,010.76
  6. Step 6: Final answer
    x = 5,476.93

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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.