Home / 21,717.66-32,581.98-6,135.30

Finding the Fourth Proportional to 21,717.66, 32,581.98 and 6,135.30

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Solution

The fourth proportional to 21,717.66, 32,581.98 and 6,135.30 is: 9,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.66 : 32,581.98 = 6,135.30 : x
  2. Step 2: Convert to fraction form
    21,717.66/32,581.98 = 6,135.30/x
  3. Step 3: Cross multiply
    21,717.66x = 32,581.98 × 6,135.30
  4. Step 4: Simplify right side
    21,717.66x = 199,900,221.89
  5. Step 5: Solve for x
    x = 199,900,221.89/21,717.66
  6. Step 6: Final answer
    x = 9,204.50

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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.