Home / 15,758.20-23,611.78-7,418.44

Finding the Fourth Proportional to 15,758.20, 23,611.78 and 7,418.44

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Solution

The fourth proportional to 15,758.20, 23,611.78 and 7,418.44 is: 11,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.20 : 23,611.78 = 7,418.44 : x
  2. Step 2: Convert to fraction form
    15,758.20/23,611.78 = 7,418.44/x
  3. Step 3: Cross multiply
    15,758.20x = 23,611.78 × 7,418.44
  4. Step 4: Simplify right side
    15,758.20x = 175,162,573.22
  5. Step 5: Solve for x
    x = 175,162,573.22/15,758.20
  6. Step 6: Final answer
    x = 11,115.65

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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.