Home / 19,962.98-29,947.20-6,811.82

Finding the Fourth Proportional to 19,962.98, 29,947.20 and 6,811.82

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Solution

The fourth proportional to 19,962.98, 29,947.20 and 6,811.82 is: 10,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.98 : 29,947.20 = 6,811.82 : x
  2. Step 2: Convert to fraction form
    19,962.98/29,947.20 = 6,811.82/x
  3. Step 3: Cross multiply
    19,962.98x = 29,947.20 × 6,811.82
  4. Step 4: Simplify right side
    19,962.98x = 203,994,935.90
  5. Step 5: Solve for x
    x = 203,994,935.90/19,962.98
  6. Step 6: Final answer
    x = 10,218.66

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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.