Home / 20,037.44-27,657.24-11,655.56

Finding the Fourth Proportional to 20,037.44, 27,657.24 and 11,655.56

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Solution

The fourth proportional to 20,037.44, 27,657.24 and 11,655.56 is: 16,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.44 : 27,657.24 = 11,655.56 : x
  2. Step 2: Convert to fraction form
    20,037.44/27,657.24 = 11,655.56/x
  3. Step 3: Cross multiply
    20,037.44x = 27,657.24 × 11,655.56
  4. Step 4: Simplify right side
    20,037.44x = 322,360,620.25
  5. Step 5: Solve for x
    x = 322,360,620.25/20,037.44
  6. Step 6: Final answer
    x = 16,087.91

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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.