Home / 16,331.28-22,536.78-9,257.72

Finding the Fourth Proportional to 16,331.28, 22,536.78 and 9,257.72

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Solution

The fourth proportional to 16,331.28, 22,536.78 and 9,257.72 is: 12,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.28 : 22,536.78 = 9,257.72 : x
  2. Step 2: Convert to fraction form
    16,331.28/22,536.78 = 9,257.72/x
  3. Step 3: Cross multiply
    16,331.28x = 22,536.78 × 9,257.72
  4. Step 4: Simplify right side
    16,331.28x = 208,639,198.94
  5. Step 5: Solve for x
    x = 208,639,198.94/16,331.28
  6. Step 6: Final answer
    x = 12,775.43

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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.