Home / 20,099.14-27,733.23-12,136.03

Finding the Fourth Proportional to 20,099.14, 27,733.23 and 12,136.03

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Solution

The fourth proportional to 20,099.14, 27,733.23 and 12,136.03 is: 16,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.14 : 27,733.23 = 12,136.03 : x
  2. Step 2: Convert to fraction form
    20,099.14/27,733.23 = 12,136.03/x
  3. Step 3: Cross multiply
    20,099.14x = 27,733.23 × 12,136.03
  4. Step 4: Simplify right side
    20,099.14x = 336,571,287.45
  5. Step 5: Solve for x
    x = 336,571,287.45/20,099.14
  6. Step 6: Final answer
    x = 16,745.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.