Home / 36,911.63-55,367.44-11,972.54

Finding the Fourth Proportional to 36,911.63, 55,367.44 and 11,972.54

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Solution

The fourth proportional to 36,911.63, 55,367.44 and 11,972.54 is: 17,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.63 : 55,367.44 = 11,972.54 : x
  2. Step 2: Convert to fraction form
    36,911.63/55,367.44 = 11,972.54/x
  3. Step 3: Cross multiply
    36,911.63x = 55,367.44 × 11,972.54
  4. Step 4: Simplify right side
    36,911.63x = 662,888,583.33
  5. Step 5: Solve for x
    x = 662,888,583.33/36,911.63
  6. Step 6: Final answer
    x = 17,958.80

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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.