Home / 36,568.78-54,820.33-13,189.75

Finding the Fourth Proportional to 36,568.78, 54,820.33 and 13,189.75

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Solution

The fourth proportional to 36,568.78, 54,820.33 and 13,189.75 is: 19,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,568.78 : 54,820.33 = 13,189.75 : x
  2. Step 2: Convert to fraction form
    36,568.78/54,820.33 = 13,189.75/x
  3. Step 3: Cross multiply
    36,568.78x = 54,820.33 × 13,189.75
  4. Step 4: Simplify right side
    36,568.78x = 723,066,277.59
  5. Step 5: Solve for x
    x = 723,066,277.59/36,568.78
  6. Step 6: Final answer
    x = 19,772.78

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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.