Home / 13,900.25-20,845.46-4,037.48

Finding the Fourth Proportional to 13,900.25, 20,845.46 and 4,037.48

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Solution

The fourth proportional to 13,900.25, 20,845.46 and 4,037.48 is: 6,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.25 : 20,845.46 = 4,037.48 : x
  2. Step 2: Convert to fraction form
    13,900.25/20,845.46 = 4,037.48/x
  3. Step 3: Cross multiply
    13,900.25x = 20,845.46 × 4,037.48
  4. Step 4: Simplify right side
    13,900.25x = 84,163,003.43
  5. Step 5: Solve for x
    x = 84,163,003.43/13,900.25
  6. Step 6: Final answer
    x = 6,054.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.