Home / 19,600.76-27,037.31-18,288.56

Finding the Fourth Proportional to 19,600.76, 27,037.31 and 18,288.56

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Solution

The fourth proportional to 19,600.76, 27,037.31 and 18,288.56 is: 25,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.76 : 27,037.31 = 18,288.56 : x
  2. Step 2: Convert to fraction form
    19,600.76/27,037.31 = 18,288.56/x
  3. Step 3: Cross multiply
    19,600.76x = 27,037.31 × 18,288.56
  4. Step 4: Simplify right side
    19,600.76x = 494,473,239.54
  5. Step 5: Solve for x
    x = 494,473,239.54/19,600.76
  6. Step 6: Final answer
    x = 25,227.25

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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.