Home / 14,190.89-19,583.42-8,226.01

Finding the Fourth Proportional to 14,190.89, 19,583.42 and 8,226.01

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Solution

The fourth proportional to 14,190.89, 19,583.42 and 8,226.01 is: 11,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.89 : 19,583.42 = 8,226.01 : x
  2. Step 2: Convert to fraction form
    14,190.89/19,583.42 = 8,226.01/x
  3. Step 3: Cross multiply
    14,190.89x = 19,583.42 × 8,226.01
  4. Step 4: Simplify right side
    14,190.89x = 161,093,516.59
  5. Step 5: Solve for x
    x = 161,093,516.59/14,190.89
  6. Step 6: Final answer
    x = 11,351.90

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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.