Home / 36,755.16-55,105.56-11,780.70

Finding the Fourth Proportional to 36,755.16, 55,105.56 and 11,780.70

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Solution

The fourth proportional to 36,755.16, 55,105.56 and 11,780.70 is: 17,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.16 : 55,105.56 = 11,780.70 : x
  2. Step 2: Convert to fraction form
    36,755.16/55,105.56 = 11,780.70/x
  3. Step 3: Cross multiply
    36,755.16x = 55,105.56 × 11,780.70
  4. Step 4: Simplify right side
    36,755.16x = 649,182,070.69
  5. Step 5: Solve for x
    x = 649,182,070.69/36,755.16
  6. Step 6: Final answer
    x = 17,662.34

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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.