Home / 21,192.17-31,780.90-6,195.27

Finding the Fourth Proportional to 21,192.17, 31,780.90 and 6,195.27

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Solution

The fourth proportional to 21,192.17, 31,780.90 and 6,195.27 is: 9,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.17 : 31,780.90 = 6,195.27 : x
  2. Step 2: Convert to fraction form
    21,192.17/31,780.90 = 6,195.27/x
  3. Step 3: Cross multiply
    21,192.17x = 31,780.90 × 6,195.27
  4. Step 4: Simplify right side
    21,192.17x = 196,891,225.37
  5. Step 5: Solve for x
    x = 196,891,225.37/21,192.17
  6. Step 6: Final answer
    x = 9,290.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.