Home / 16,786.80-23,166.14-9,233.51

Finding the Fourth Proportional to 16,786.80, 23,166.14 and 9,233.51

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Solution

The fourth proportional to 16,786.80, 23,166.14 and 9,233.51 is: 12,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.80 : 23,166.14 = 9,233.51 : x
  2. Step 2: Convert to fraction form
    16,786.80/23,166.14 = 9,233.51/x
  3. Step 3: Cross multiply
    16,786.80x = 23,166.14 × 9,233.51
  4. Step 4: Simplify right side
    16,786.80x = 213,904,785.35
  5. Step 5: Solve for x
    x = 213,904,785.35/16,786.80
  6. Step 6: Final answer
    x = 12,742.44

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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.