Home / 22,791.75-31,453.83-13,363.35

Finding the Fourth Proportional to 22,791.75, 31,453.83 and 13,363.35

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Solution

The fourth proportional to 22,791.75, 31,453.83 and 13,363.35 is: 18,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.75 : 31,453.83 = 13,363.35 : x
  2. Step 2: Convert to fraction form
    22,791.75/31,453.83 = 13,363.35/x
  3. Step 3: Cross multiply
    22,791.75x = 31,453.83 × 13,363.35
  4. Step 4: Simplify right side
    22,791.75x = 420,328,539.13
  5. Step 5: Solve for x
    x = 420,328,539.13/22,791.75
  6. Step 6: Final answer
    x = 18,442.14

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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.