Home / 13,817.37-20,708.70-5,910.60

Finding the Fourth Proportional to 13,817.37, 20,708.70 and 5,910.60

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Solution

The fourth proportional to 13,817.37, 20,708.70 and 5,910.60 is: 8,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.37 : 20,708.70 = 5,910.60 : x
  2. Step 2: Convert to fraction form
    13,817.37/20,708.70 = 5,910.60/x
  3. Step 3: Cross multiply
    13,817.37x = 20,708.70 × 5,910.60
  4. Step 4: Simplify right side
    13,817.37x = 122,400,842.22
  5. Step 5: Solve for x
    x = 122,400,842.22/13,817.37
  6. Step 6: Final answer
    x = 8,858.48

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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.