Home / 21,851.16-32,776.56-6,268.80

Finding the Fourth Proportional to 21,851.16, 32,776.56 and 6,268.80

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Solution

The fourth proportional to 21,851.16, 32,776.56 and 6,268.80 is: 9,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.16 : 32,776.56 = 6,268.80 : x
  2. Step 2: Convert to fraction form
    21,851.16/32,776.56 = 6,268.80/x
  3. Step 3: Cross multiply
    21,851.16x = 32,776.56 × 6,268.80
  4. Step 4: Simplify right side
    21,851.16x = 205,469,699.33
  5. Step 5: Solve for x
    x = 205,469,699.33/21,851.16
  6. Step 6: Final answer
    x = 9,403.15

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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.