Home / 21,617.94-32,427.90-6,623.98

Finding the Fourth Proportional to 21,617.94, 32,427.90 and 6,623.98

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Solution

The fourth proportional to 21,617.94, 32,427.90 and 6,623.98 is: 9,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.94 : 32,427.90 = 6,623.98 : x
  2. Step 2: Convert to fraction form
    21,617.94/32,427.90 = 6,623.98/x
  3. Step 3: Cross multiply
    21,617.94x = 32,427.90 × 6,623.98
  4. Step 4: Simplify right side
    21,617.94x = 214,801,761.04
  5. Step 5: Solve for x
    x = 214,801,761.04/21,617.94
  6. Step 6: Final answer
    x = 9,936.27

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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.