Home / 19,864.98-29,793.78-5,821.92

Finding the Fourth Proportional to 19,864.98, 29,793.78 and 5,821.92

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Solution

The fourth proportional to 19,864.98, 29,793.78 and 5,821.92 is: 8,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.98 : 29,793.78 = 5,821.92 : x
  2. Step 2: Convert to fraction form
    19,864.98/29,793.78 = 5,821.92/x
  3. Step 3: Cross multiply
    19,864.98x = 29,793.78 × 5,821.92
  4. Step 4: Simplify right side
    19,864.98x = 173,457,003.66
  5. Step 5: Solve for x
    x = 173,457,003.66/19,864.98
  6. Step 6: Final answer
    x = 8,731.80

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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.