Home / 14,626.92-20,185.08-7,912.56

Finding the Fourth Proportional to 14,626.92, 20,185.08 and 7,912.56

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Solution

The fourth proportional to 14,626.92, 20,185.08 and 7,912.56 is: 10,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.92 : 20,185.08 = 7,912.56 : x
  2. Step 2: Convert to fraction form
    14,626.92/20,185.08 = 7,912.56/x
  3. Step 3: Cross multiply
    14,626.92x = 20,185.08 × 7,912.56
  4. Step 4: Simplify right side
    14,626.92x = 159,715,656.60
  5. Step 5: Solve for x
    x = 159,715,656.60/14,626.92
  6. Step 6: Final answer
    x = 10,919.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.