Home / 36,912.22-55,370.76-13,555.06

Finding the Fourth Proportional to 36,912.22, 55,370.76 and 13,555.06

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Solution

The fourth proportional to 36,912.22, 55,370.76 and 13,555.06 is: 20,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.22 : 55,370.76 = 13,555.06 : x
  2. Step 2: Convert to fraction form
    36,912.22/55,370.76 = 13,555.06/x
  3. Step 3: Cross multiply
    36,912.22x = 55,370.76 × 13,555.06
  4. Step 4: Simplify right side
    36,912.22x = 750,553,974.05
  5. Step 5: Solve for x
    x = 750,553,974.05/36,912.22
  6. Step 6: Final answer
    x = 20,333.48

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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.