Home / 20,016.15-29,982.68-11,670.85

Finding the Fourth Proportional to 20,016.15, 29,982.68 and 11,670.85

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Solution

The fourth proportional to 20,016.15, 29,982.68 and 11,670.85 is: 17,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.15 : 29,982.68 = 11,670.85 : x
  2. Step 2: Convert to fraction form
    20,016.15/29,982.68 = 11,670.85/x
  3. Step 3: Cross multiply
    20,016.15x = 29,982.68 × 11,670.85
  4. Step 4: Simplify right side
    20,016.15x = 349,923,465.01
  5. Step 5: Solve for x
    x = 349,923,465.01/20,016.15
  6. Step 6: Final answer
    x = 17,482.06

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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.