Home / 22,791.25-31,453.14-13,362.85

Finding the Fourth Proportional to 22,791.25, 31,453.14 and 13,362.85

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Solution

The fourth proportional to 22,791.25, 31,453.14 and 13,362.85 is: 18,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.25 : 31,453.14 = 13,362.85 : x
  2. Step 2: Convert to fraction form
    22,791.25/31,453.14 = 13,362.85/x
  3. Step 3: Cross multiply
    22,791.25x = 31,453.14 × 13,362.85
  4. Step 4: Simplify right side
    22,791.25x = 420,303,591.85
  5. Step 5: Solve for x
    x = 420,303,591.85/22,791.25
  6. Step 6: Final answer
    x = 18,441.45

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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.