Home / 20,361.42-30,500.37-12,016.17

Finding the Fourth Proportional to 20,361.42, 30,500.37 and 12,016.17

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Solution

The fourth proportional to 20,361.42, 30,500.37 and 12,016.17 is: 17,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.42 : 30,500.37 = 12,016.17 : x
  2. Step 2: Convert to fraction form
    20,361.42/30,500.37 = 12,016.17/x
  3. Step 3: Cross multiply
    20,361.42x = 30,500.37 × 12,016.17
  4. Step 4: Simplify right side
    20,361.42x = 366,497,630.98
  5. Step 5: Solve for x
    x = 366,497,630.98/20,361.42
  6. Step 6: Final answer
    x = 17,999.61

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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.