Home / 19,500.44-26,899.76-11,945.57

Finding the Fourth Proportional to 19,500.44, 26,899.76 and 11,945.57

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Solution

The fourth proportional to 19,500.44, 26,899.76 and 11,945.57 is: 16,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.44 : 26,899.76 = 11,945.57 : x
  2. Step 2: Convert to fraction form
    19,500.44/26,899.76 = 11,945.57/x
  3. Step 3: Cross multiply
    19,500.44x = 26,899.76 × 11,945.57
  4. Step 4: Simplify right side
    19,500.44x = 321,332,861.43
  5. Step 5: Solve for x
    x = 321,332,861.43/19,500.44
  6. Step 6: Final answer
    x = 16,478.24

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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.