Home / 20,229.08-27,919.76-11,736.63

Finding the Fourth Proportional to 20,229.08, 27,919.76 and 11,736.63

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Solution

The fourth proportional to 20,229.08, 27,919.76 and 11,736.63 is: 16,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.08 : 27,919.76 = 11,736.63 : x
  2. Step 2: Convert to fraction form
    20,229.08/27,919.76 = 11,736.63/x
  3. Step 3: Cross multiply
    20,229.08x = 27,919.76 × 11,736.63
  4. Step 4: Simplify right side
    20,229.08x = 327,683,834.13
  5. Step 5: Solve for x
    x = 327,683,834.13/20,229.08
  6. Step 6: Final answer
    x = 16,198.66

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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.