Home / 55,074.44-82,611.78-13,521.56

Finding the Fourth Proportional to 55,074.44, 82,611.78 and 13,521.56

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Solution

The fourth proportional to 55,074.44, 82,611.78 and 13,521.56 is: 20,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,074.44 : 82,611.78 = 13,521.56 : x
  2. Step 2: Convert to fraction form
    55,074.44/82,611.78 = 13,521.56/x
  3. Step 3: Cross multiply
    55,074.44x = 82,611.78 × 13,521.56
  4. Step 4: Simplify right side
    55,074.44x = 1,117,040,139.98
  5. Step 5: Solve for x
    x = 1,117,040,139.98/55,074.44
  6. Step 6: Final answer
    x = 20,282.37

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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.