Home / 13,633.56-20,450.43-4,399.56

Finding the Fourth Proportional to 13,633.56, 20,450.43 and 4,399.56

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Solution

The fourth proportional to 13,633.56, 20,450.43 and 4,399.56 is: 6,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.56 : 20,450.43 = 4,399.56 : x
  2. Step 2: Convert to fraction form
    13,633.56/20,450.43 = 4,399.56/x
  3. Step 3: Cross multiply
    13,633.56x = 20,450.43 × 4,399.56
  4. Step 4: Simplify right side
    13,633.56x = 89,972,893.81
  5. Step 5: Solve for x
    x = 89,972,893.81/13,633.56
  6. Step 6: Final answer
    x = 6,599.37

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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.