Home / 20,367.43-30,551.16-5,576.47

Finding the Fourth Proportional to 20,367.43, 30,551.16 and 5,576.47

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Solution

The fourth proportional to 20,367.43, 30,551.16 and 5,576.47 is: 8,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.43 : 30,551.16 = 5,576.47 : x
  2. Step 2: Convert to fraction form
    20,367.43/30,551.16 = 5,576.47/x
  3. Step 3: Cross multiply
    20,367.43x = 30,551.16 × 5,576.47
  4. Step 4: Simplify right side
    20,367.43x = 170,367,627.21
  5. Step 5: Solve for x
    x = 170,367,627.21/20,367.43
  6. Step 6: Final answer
    x = 8,364.71

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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.