Home / 20,260.16-27,961.92-14,609.60

Finding the Fourth Proportional to 20,260.16, 27,961.92 and 14,609.60

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Solution

The fourth proportional to 20,260.16, 27,961.92 and 14,609.60 is: 20,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.16 : 27,961.92 = 14,609.60 : x
  2. Step 2: Convert to fraction form
    20,260.16/27,961.92 = 14,609.60/x
  3. Step 3: Cross multiply
    20,260.16x = 27,961.92 × 14,609.60
  4. Step 4: Simplify right side
    20,260.16x = 408,512,466.43
  5. Step 5: Solve for x
    x = 408,512,466.43/20,260.16
  6. Step 6: Final answer
    x = 20,163.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.