Home / 13,912.81-20,861.42-6,010.39

Finding the Fourth Proportional to 13,912.81, 20,861.42 and 6,010.39

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Solution

The fourth proportional to 13,912.81, 20,861.42 and 6,010.39 is: 9,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.81 : 20,861.42 = 6,010.39 : x
  2. Step 2: Convert to fraction form
    13,912.81/20,861.42 = 6,010.39/x
  3. Step 3: Cross multiply
    13,912.81x = 20,861.42 × 6,010.39
  4. Step 4: Simplify right side
    13,912.81x = 125,385,324.85
  5. Step 5: Solve for x
    x = 125,385,324.85/13,912.81
  6. Step 6: Final answer
    x = 9,012.22

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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.