Home / 19,236.33-28,832.63-8,136.09

Finding the Fourth Proportional to 19,236.33, 28,832.63 and 8,136.09

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Solution

The fourth proportional to 19,236.33, 28,832.63 and 8,136.09 is: 12,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.33 : 28,832.63 = 8,136.09 : x
  2. Step 2: Convert to fraction form
    19,236.33/28,832.63 = 8,136.09/x
  3. Step 3: Cross multiply
    19,236.33x = 28,832.63 × 8,136.09
  4. Step 4: Simplify right side
    19,236.33x = 234,584,831.94
  5. Step 5: Solve for x
    x = 234,584,831.94/19,236.33
  6. Step 6: Final answer
    x = 12,194.88

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1.5x scale

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.