Home / 15,900.82-23,855.49-5,512.57

Finding the Fourth Proportional to 15,900.82, 23,855.49 and 5,512.57

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Solution

The fourth proportional to 15,900.82, 23,855.49 and 5,512.57 is: 8,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.82 : 23,855.49 = 5,512.57 : x
  2. Step 2: Convert to fraction form
    15,900.82/23,855.49 = 5,512.57/x
  3. Step 3: Cross multiply
    15,900.82x = 23,855.49 × 5,512.57
  4. Step 4: Simplify right side
    15,900.82x = 131,505,058.51
  5. Step 5: Solve for x
    x = 131,505,058.51/15,900.82
  6. Step 6: Final answer
    x = 8,270.33

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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.