Home / 21,847.14-32,772.84-8,696.43

Finding the Fourth Proportional to 21,847.14, 32,772.84 and 8,696.43

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Solution

The fourth proportional to 21,847.14, 32,772.84 and 8,696.43 is: 13,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.14 : 32,772.84 = 8,696.43 : x
  2. Step 2: Convert to fraction form
    21,847.14/32,772.84 = 8,696.43/x
  3. Step 3: Cross multiply
    21,847.14x = 32,772.84 × 8,696.43
  4. Step 4: Simplify right side
    21,847.14x = 285,006,708.96
  5. Step 5: Solve for x
    x = 285,006,708.96/21,847.14
  6. Step 6: Final answer
    x = 13,045.49

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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.