Home / 13,341.92-20,011.54-3,481.22

Finding the Fourth Proportional to 13,341.92, 20,011.54 and 3,481.22

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Solution

The fourth proportional to 13,341.92, 20,011.54 and 3,481.22 is: 5,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.92 : 20,011.54 = 3,481.22 : x
  2. Step 2: Convert to fraction form
    13,341.92/20,011.54 = 3,481.22/x
  3. Step 3: Cross multiply
    13,341.92x = 20,011.54 × 3,481.22
  4. Step 4: Simplify right side
    13,341.92x = 69,664,573.28
  5. Step 5: Solve for x
    x = 69,664,573.28/13,341.92
  6. Step 6: Final answer
    x = 5,221.48

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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.