Home / 21,550.98-32,326.50-6,761.10

Finding the Fourth Proportional to 21,550.98, 32,326.50 and 6,761.10

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Solution

The fourth proportional to 21,550.98, 32,326.50 and 6,761.10 is: 10,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.98 : 32,326.50 = 6,761.10 : x
  2. Step 2: Convert to fraction form
    21,550.98/32,326.50 = 6,761.10/x
  3. Step 3: Cross multiply
    21,550.98x = 32,326.50 × 6,761.10
  4. Step 4: Simplify right side
    21,550.98x = 218,562,699.15
  5. Step 5: Solve for x
    x = 218,562,699.15/21,550.98
  6. Step 6: Final answer
    x = 10,141.66

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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.