Home / 19,759.37-29,643.11-6,611.86

Finding the Fourth Proportional to 19,759.37, 29,643.11 and 6,611.86

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Solution

The fourth proportional to 19,759.37, 29,643.11 and 6,611.86 is: 9,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.37 : 29,643.11 = 6,611.86 : x
  2. Step 2: Convert to fraction form
    19,759.37/29,643.11 = 6,611.86/x
  3. Step 3: Cross multiply
    19,759.37x = 29,643.11 × 6,611.86
  4. Step 4: Simplify right side
    19,759.37x = 195,996,093.28
  5. Step 5: Solve for x
    x = 195,996,093.28/19,759.37
  6. Step 6: Final answer
    x = 9,919.15

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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.