Home / 21,786.88-32,685.80-6,204.52

Finding the Fourth Proportional to 21,786.88, 32,685.80 and 6,204.52

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Solution

The fourth proportional to 21,786.88, 32,685.80 and 6,204.52 is: 9,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.88 : 32,685.80 = 6,204.52 : x
  2. Step 2: Convert to fraction form
    21,786.88/32,685.80 = 6,204.52/x
  3. Step 3: Cross multiply
    21,786.88x = 32,685.80 × 6,204.52
  4. Step 4: Simplify right side
    21,786.88x = 202,799,699.82
  5. Step 5: Solve for x
    x = 202,799,699.82/21,786.88
  6. Step 6: Final answer
    x = 9,308.34

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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.