Home / 21,713.94-32,568.12-9,231.66

Finding the Fourth Proportional to 21,713.94, 32,568.12 and 9,231.66

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Solution

The fourth proportional to 21,713.94, 32,568.12 and 9,231.66 is: 13,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.94 : 32,568.12 = 9,231.66 : x
  2. Step 2: Convert to fraction form
    21,713.94/32,568.12 = 9,231.66/x
  3. Step 3: Cross multiply
    21,713.94x = 32,568.12 × 9,231.66
  4. Step 4: Simplify right side
    21,713.94x = 300,657,810.68
  5. Step 5: Solve for x
    x = 300,657,810.68/21,713.94
  6. Step 6: Final answer
    x = 13,846.30

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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.