Home / 13,845.57-20,763.23-5,523.09

Finding the Fourth Proportional to 13,845.57, 20,763.23 and 5,523.09

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Solution

The fourth proportional to 13,845.57, 20,763.23 and 5,523.09 is: 8,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.57 : 20,763.23 = 5,523.09 : x
  2. Step 2: Convert to fraction form
    13,845.57/20,763.23 = 5,523.09/x
  3. Step 3: Cross multiply
    13,845.57x = 20,763.23 × 5,523.09
  4. Step 4: Simplify right side
    13,845.57x = 114,677,160.37
  5. Step 5: Solve for x
    x = 114,677,160.37/13,845.57
  6. Step 6: Final answer
    x = 8,282.59

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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.