Home / 15,310.68-22,951.44-7,408.32

Finding the Fourth Proportional to 15,310.68, 22,951.44 and 7,408.32

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Solution

The fourth proportional to 15,310.68, 22,951.44 and 7,408.32 is: 11,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.68 : 22,951.44 = 7,408.32 : x
  2. Step 2: Convert to fraction form
    15,310.68/22,951.44 = 7,408.32/x
  3. Step 3: Cross multiply
    15,310.68x = 22,951.44 × 7,408.32
  4. Step 4: Simplify right side
    15,310.68x = 170,031,611.98
  5. Step 5: Solve for x
    x = 170,031,611.98/15,310.68
  6. Step 6: Final answer
    x = 11,105.43

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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.