Home / 21,786.72-32,681.29-6,203.13

Finding the Fourth Proportional to 21,786.72, 32,681.29 and 6,203.13

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Solution

The fourth proportional to 21,786.72, 32,681.29 and 6,203.13 is: 9,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.72 : 32,681.29 = 6,203.13 : x
  2. Step 2: Convert to fraction form
    21,786.72/32,681.29 = 6,203.13/x
  3. Step 3: Cross multiply
    21,786.72x = 32,681.29 × 6,203.13
  4. Step 4: Simplify right side
    21,786.72x = 202,726,290.44
  5. Step 5: Solve for x
    x = 202,726,290.44/21,786.72
  6. Step 6: Final answer
    x = 9,305.04

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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.