Home / 36,109.62-54,158.94-13,919.76

Finding the Fourth Proportional to 36,109.62, 54,158.94 and 13,919.76

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Solution

The fourth proportional to 36,109.62, 54,158.94 and 13,919.76 is: 20,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.62 : 54,158.94 = 13,919.76 : x
  2. Step 2: Convert to fraction form
    36,109.62/54,158.94 = 13,919.76/x
  3. Step 3: Cross multiply
    36,109.62x = 54,158.94 × 13,919.76
  4. Step 4: Simplify right side
    36,109.62x = 753,879,446.65
  5. Step 5: Solve for x
    x = 753,879,446.65/36,109.62
  6. Step 6: Final answer
    x = 20,877.52

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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.