Home / 16,786.22-23,163.15-9,711.32

Finding the Fourth Proportional to 16,786.22, 23,163.15 and 9,711.32

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Solution

The fourth proportional to 16,786.22, 23,163.15 and 9,711.32 is: 13,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.22 : 23,163.15 = 9,711.32 : x
  2. Step 2: Convert to fraction form
    16,786.22/23,163.15 = 9,711.32/x
  3. Step 3: Cross multiply
    16,786.22x = 23,163.15 × 9,711.32
  4. Step 4: Simplify right side
    16,786.22x = 224,944,761.86
  5. Step 5: Solve for x
    x = 224,944,761.86/16,786.22
  6. Step 6: Final answer
    x = 13,400.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.