Home / 28,453.44-39,227.58-19,944.12

Finding the Fourth Proportional to 28,453.44, 39,227.58 and 19,944.12

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Solution

The fourth proportional to 28,453.44, 39,227.58 and 19,944.12 is: 27,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.44 : 39,227.58 = 19,944.12 : x
  2. Step 2: Convert to fraction form
    28,453.44/39,227.58 = 19,944.12/x
  3. Step 3: Cross multiply
    28,453.44x = 39,227.58 × 19,944.12
  4. Step 4: Simplify right side
    28,453.44x = 782,359,562.83
  5. Step 5: Solve for x
    x = 782,359,562.83/28,453.44
  6. Step 6: Final answer
    x = 27,496.13

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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.