Home / 16,932.36-23,367.12-9,379.20

Finding the Fourth Proportional to 16,932.36, 23,367.12 and 9,379.20

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Solution

The fourth proportional to 16,932.36, 23,367.12 and 9,379.20 is: 12,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,932.36 : 23,367.12 = 9,379.20 : x
  2. Step 2: Convert to fraction form
    16,932.36/23,367.12 = 9,379.20/x
  3. Step 3: Cross multiply
    16,932.36x = 23,367.12 × 9,379.20
  4. Step 4: Simplify right side
    16,932.36x = 219,164,891.90
  5. Step 5: Solve for x
    x = 219,164,891.90/16,932.36
  6. Step 6: Final answer
    x = 12,943.55

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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.