Home / 36,135.92-54,166.82-13,940.57

Finding the Fourth Proportional to 36,135.92, 54,166.82 and 13,940.57

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Solution

The fourth proportional to 36,135.92, 54,166.82 and 13,940.57 is: 20,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.92 : 54,166.82 = 13,940.57 : x
  2. Step 2: Convert to fraction form
    36,135.92/54,166.82 = 13,940.57/x
  3. Step 3: Cross multiply
    36,135.92x = 54,166.82 × 13,940.57
  4. Step 4: Simplify right side
    36,135.92x = 755,116,345.89
  5. Step 5: Solve for x
    x = 755,116,345.89/36,135.92
  6. Step 6: Final answer
    x = 20,896.56

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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.