Home / 20,201.16-30,339.42-16,511.22

Finding the Fourth Proportional to 20,201.16, 30,339.42 and 16,511.22

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Solution

The fourth proportional to 20,201.16, 30,339.42 and 16,511.22 is: 24,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.16 : 30,339.42 = 16,511.22 : x
  2. Step 2: Convert to fraction form
    20,201.16/30,339.42 = 16,511.22/x
  3. Step 3: Cross multiply
    20,201.16x = 30,339.42 × 16,511.22
  4. Step 4: Simplify right side
    20,201.16x = 500,940,838.29
  5. Step 5: Solve for x
    x = 500,940,838.29/20,201.16
  6. Step 6: Final answer
    x = 24,797.63

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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.