Home / 13,450.46-18,560.30-7,481.52

Finding the Fourth Proportional to 13,450.46, 18,560.30 and 7,481.52

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Solution

The fourth proportional to 13,450.46, 18,560.30 and 7,481.52 is: 10,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.46 : 18,560.30 = 7,481.52 : x
  2. Step 2: Convert to fraction form
    13,450.46/18,560.30 = 7,481.52/x
  3. Step 3: Cross multiply
    13,450.46x = 18,560.30 × 7,481.52
  4. Step 4: Simplify right side
    13,450.46x = 138,859,218.25
  5. Step 5: Solve for x
    x = 138,859,218.25/13,450.46
  6. Step 6: Final answer
    x = 10,323.76

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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.