Home / 20,091.06-30,136.93-7,616.96

Finding the Fourth Proportional to 20,091.06, 30,136.93 and 7,616.96

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Solution

The fourth proportional to 20,091.06, 30,136.93 and 7,616.96 is: 11,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.06 : 30,136.93 = 7,616.96 : x
  2. Step 2: Convert to fraction form
    20,091.06/30,136.93 = 7,616.96/x
  3. Step 3: Cross multiply
    20,091.06x = 30,136.93 × 7,616.96
  4. Step 4: Simplify right side
    20,091.06x = 229,551,601.56
  5. Step 5: Solve for x
    x = 229,551,601.56/20,091.06
  6. Step 6: Final answer
    x = 11,425.56

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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.