Home / 36,855.43-55,291.02-11,896.90

Finding the Fourth Proportional to 36,855.43, 55,291.02 and 11,896.90

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Solution

The fourth proportional to 36,855.43, 55,291.02 and 11,896.90 is: 17,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.43 : 55,291.02 = 11,896.90 : x
  2. Step 2: Convert to fraction form
    36,855.43/55,291.02 = 11,896.90/x
  3. Step 3: Cross multiply
    36,855.43x = 55,291.02 × 11,896.90
  4. Step 4: Simplify right side
    36,855.43x = 657,791,735.84
  5. Step 5: Solve for x
    x = 657,791,735.84/36,855.43
  6. Step 6: Final answer
    x = 17,847.89

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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.