Home / 19,822.24-29,671.39-12,792.86

Finding the Fourth Proportional to 19,822.24, 29,671.39 and 12,792.86

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Solution

The fourth proportional to 19,822.24, 29,671.39 and 12,792.86 is: 19,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.24 : 29,671.39 = 12,792.86 : x
  2. Step 2: Convert to fraction form
    19,822.24/29,671.39 = 12,792.86/x
  3. Step 3: Cross multiply
    19,822.24x = 29,671.39 × 12,792.86
  4. Step 4: Simplify right side
    19,822.24x = 379,581,725.95
  5. Step 5: Solve for x
    x = 379,581,725.95/19,822.24
  6. Step 6: Final answer
    x = 19,149.29

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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.