Home / 16,272.10-22,455.39-9,198.51

Finding the Fourth Proportional to 16,272.10, 22,455.39 and 9,198.51

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Solution

The fourth proportional to 16,272.10, 22,455.39 and 9,198.51 is: 12,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.10 : 22,455.39 = 9,198.51 : x
  2. Step 2: Convert to fraction form
    16,272.10/22,455.39 = 9,198.51/x
  3. Step 3: Cross multiply
    16,272.10x = 22,455.39 × 9,198.51
  4. Step 4: Simplify right side
    16,272.10x = 206,556,129.47
  5. Step 5: Solve for x
    x = 206,556,129.47/16,272.10
  6. Step 6: Final answer
    x = 12,693.88

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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.