Home / 21,851.75-32,782.89-6,269.24

Finding the Fourth Proportional to 21,851.75, 32,782.89 and 6,269.24

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Solution

The fourth proportional to 21,851.75, 32,782.89 and 6,269.24 is: 9,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.75 : 32,782.89 = 6,269.24 : x
  2. Step 2: Convert to fraction form
    21,851.75/32,782.89 = 6,269.24/x
  3. Step 3: Cross multiply
    21,851.75x = 32,782.89 × 6,269.24
  4. Step 4: Simplify right side
    21,851.75x = 205,523,805.30
  5. Step 5: Solve for x
    x = 205,523,805.30/21,851.75
  6. Step 6: Final answer
    x = 9,405.37

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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.