Home / 15,999.12-23,956.64-11,293.76

Finding the Fourth Proportional to 15,999.12, 23,956.64 and 11,293.76

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Solution

The fourth proportional to 15,999.12, 23,956.64 and 11,293.76 is: 16,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.12 : 23,956.64 = 11,293.76 : x
  2. Step 2: Convert to fraction form
    15,999.12/23,956.64 = 11,293.76/x
  3. Step 3: Cross multiply
    15,999.12x = 23,956.64 × 11,293.76
  4. Step 4: Simplify right side
    15,999.12x = 270,560,542.57
  5. Step 5: Solve for x
    x = 270,560,542.57/15,999.12
  6. Step 6: Final answer
    x = 16,910.96

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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.