Home / 21,786.63-32,680.34-6,204.66

Finding the Fourth Proportional to 21,786.63, 32,680.34 and 6,204.66

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Solution

The fourth proportional to 21,786.63, 32,680.34 and 6,204.66 is: 9,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.63 : 32,680.34 = 6,204.66 : x
  2. Step 2: Convert to fraction form
    21,786.63/32,680.34 = 6,204.66/x
  3. Step 3: Cross multiply
    21,786.63x = 32,680.34 × 6,204.66
  4. Step 4: Simplify right side
    21,786.63x = 202,770,398.38
  5. Step 5: Solve for x
    x = 202,770,398.38/21,786.63
  6. Step 6: Final answer
    x = 9,307.10

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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.