Home / 13,817.26-20,708.55-5,910.49

Finding the Fourth Proportional to 13,817.26, 20,708.55 and 5,910.49

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Solution

The fourth proportional to 13,817.26, 20,708.55 and 5,910.49 is: 8,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.26 : 20,708.55 = 5,910.49 : x
  2. Step 2: Convert to fraction form
    13,817.26/20,708.55 = 5,910.49/x
  3. Step 3: Cross multiply
    13,817.26x = 20,708.55 × 5,910.49
  4. Step 4: Simplify right side
    13,817.26x = 122,397,648.14
  5. Step 5: Solve for x
    x = 122,397,648.14/13,817.26
  6. Step 6: Final answer
    x = 8,858.32

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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.