Home / 21,772.91-32,664.85-6,190.53

Finding the Fourth Proportional to 21,772.91, 32,664.85 and 6,190.53

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Solution

The fourth proportional to 21,772.91, 32,664.85 and 6,190.53 is: 9,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772.91 : 32,664.85 = 6,190.53 : x
  2. Step 2: Convert to fraction form
    21,772.91/32,664.85 = 6,190.53/x
  3. Step 3: Cross multiply
    21,772.91x = 32,664.85 × 6,190.53
  4. Step 4: Simplify right side
    21,772.91x = 202,212,784.58
  5. Step 5: Solve for x
    x = 202,212,784.58/21,772.91
  6. Step 6: Final answer
    x = 9,287.36

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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.