Home / 13,644.96-20,450.40-5,844.72

Finding the Fourth Proportional to 13,644.96, 20,450.40 and 5,844.72

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Solution

The fourth proportional to 13,644.96, 20,450.40 and 5,844.72 is: 8,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.96 : 20,450.40 = 5,844.72 : x
  2. Step 2: Convert to fraction form
    13,644.96/20,450.40 = 5,844.72/x
  3. Step 3: Cross multiply
    13,644.96x = 20,450.40 × 5,844.72
  4. Step 4: Simplify right side
    13,644.96x = 119,526,861.89
  5. Step 5: Solve for x
    x = 119,526,861.89/13,644.96
  6. Step 6: Final answer
    x = 8,759.78

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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.