Home / 36,813.09-55,228.46-11,855.49

Finding the Fourth Proportional to 36,813.09, 55,228.46 and 11,855.49

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Solution

The fourth proportional to 36,813.09, 55,228.46 and 11,855.49 is: 17,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.09 : 55,228.46 = 11,855.49 : x
  2. Step 2: Convert to fraction form
    36,813.09/55,228.46 = 11,855.49/x
  3. Step 3: Cross multiply
    36,813.09x = 55,228.46 × 11,855.49
  4. Step 4: Simplify right side
    36,813.09x = 654,760,455.25
  5. Step 5: Solve for x
    x = 654,760,455.25/36,813.09
  6. Step 6: Final answer
    x = 17,786.08

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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.