Home / 19,611.39-29,438.15-7,932.27

Finding the Fourth Proportional to 19,611.39, 29,438.15 and 7,932.27

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Solution

The fourth proportional to 19,611.39, 29,438.15 and 7,932.27 is: 11,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.39 : 29,438.15 = 7,932.27 : x
  2. Step 2: Convert to fraction form
    19,611.39/29,438.15 = 7,932.27/x
  3. Step 3: Cross multiply
    19,611.39x = 29,438.15 × 7,932.27
  4. Step 4: Simplify right side
    19,611.39x = 233,511,314.44
  5. Step 5: Solve for x
    x = 233,511,314.44/19,611.39
  6. Step 6: Final answer
    x = 11,906.92

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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.