Home / 36,814.50-55,220.54-11,855.97

Finding the Fourth Proportional to 36,814.50, 55,220.54 and 11,855.97

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Solution

The fourth proportional to 36,814.50, 55,220.54 and 11,855.97 is: 17,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,814.50 : 55,220.54 = 11,855.97 : x
  2. Step 2: Convert to fraction form
    36,814.50/55,220.54 = 11,855.97/x
  3. Step 3: Cross multiply
    36,814.50x = 55,220.54 × 11,855.97
  4. Step 4: Simplify right side
    36,814.50x = 654,693,006.34
  5. Step 5: Solve for x
    x = 654,693,006.34/36,814.50
  6. Step 6: Final answer
    x = 17,783.56

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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.