Home / 36,936.39-55,428.89-13,563.03

Finding the Fourth Proportional to 36,936.39, 55,428.89 and 13,563.03

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Solution

The fourth proportional to 36,936.39, 55,428.89 and 13,563.03 is: 20,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.39 : 55,428.89 = 13,563.03 : x
  2. Step 2: Convert to fraction form
    36,936.39/55,428.89 = 13,563.03/x
  3. Step 3: Cross multiply
    36,936.39x = 55,428.89 × 13,563.03
  4. Step 4: Simplify right side
    36,936.39x = 751,783,630.12
  5. Step 5: Solve for x
    x = 751,783,630.12/36,936.39
  6. Step 6: Final answer
    x = 20,353.47

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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.