Home / 15,516.78-23,273.55-4,422.75

Finding the Fourth Proportional to 15,516.78, 23,273.55 and 4,422.75

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Solution

The fourth proportional to 15,516.78, 23,273.55 and 4,422.75 is: 6,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.78 : 23,273.55 = 4,422.75 : x
  2. Step 2: Convert to fraction form
    15,516.78/23,273.55 = 4,422.75/x
  3. Step 3: Cross multiply
    15,516.78x = 23,273.55 × 4,422.75
  4. Step 4: Simplify right side
    15,516.78x = 102,933,093.26
  5. Step 5: Solve for x
    x = 102,933,093.26/15,516.78
  6. Step 6: Final answer
    x = 6,633.66

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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.