Home / 19,922.92-29,884.28-8,076.52

Finding the Fourth Proportional to 19,922.92, 29,884.28 and 8,076.52

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Solution

The fourth proportional to 19,922.92, 29,884.28 and 8,076.52 is: 12,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.92 : 29,884.28 = 8,076.52 : x
  2. Step 2: Convert to fraction form
    19,922.92/29,884.28 = 8,076.52/x
  3. Step 3: Cross multiply
    19,922.92x = 29,884.28 × 8,076.52
  4. Step 4: Simplify right side
    19,922.92x = 241,360,813.98
  5. Step 5: Solve for x
    x = 241,360,813.98/19,922.92
  6. Step 6: Final answer
    x = 12,114.73

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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.