Home / 21,781.98-32,676.00-6,995.43

Finding the Fourth Proportional to 21,781.98, 32,676.00 and 6,995.43

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Solution

The fourth proportional to 21,781.98, 32,676.00 and 6,995.43 is: 10,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781.98 : 32,676.00 = 6,995.43 : x
  2. Step 2: Convert to fraction form
    21,781.98/32,676.00 = 6,995.43/x
  3. Step 3: Cross multiply
    21,781.98x = 32,676.00 × 6,995.43
  4. Step 4: Simplify right side
    21,781.98x = 228,582,644.45
  5. Step 5: Solve for x
    x = 228,582,644.45/21,781.98
  6. Step 6: Final answer
    x = 10,494.12

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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.