Home / 13,840.97-20,761.41-5,938.36

Finding the Fourth Proportional to 13,840.97, 20,761.41 and 5,938.36

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Solution

The fourth proportional to 13,840.97, 20,761.41 and 5,938.36 is: 8,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.97 : 20,761.41 = 5,938.36 : x
  2. Step 2: Convert to fraction form
    13,840.97/20,761.41 = 5,938.36/x
  3. Step 3: Cross multiply
    13,840.97x = 20,761.41 × 5,938.36
  4. Step 4: Simplify right side
    13,840.97x = 123,288,726.69
  5. Step 5: Solve for x
    x = 123,288,726.69/13,840.97
  6. Step 6: Final answer
    x = 8,907.52

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1.5x scale

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.