Home / 13,695.91-20,546.37-4,338.28

Finding the Fourth Proportional to 13,695.91, 20,546.37 and 4,338.28

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Solution

The fourth proportional to 13,695.91, 20,546.37 and 4,338.28 is: 6,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.91 : 20,546.37 = 4,338.28 : x
  2. Step 2: Convert to fraction form
    13,695.91/20,546.37 = 4,338.28/x
  3. Step 3: Cross multiply
    13,695.91x = 20,546.37 × 4,338.28
  4. Step 4: Simplify right side
    13,695.91x = 89,135,906.04
  5. Step 5: Solve for x
    x = 89,135,906.04/13,695.91
  6. Step 6: Final answer
    x = 6,508.21

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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.