Home / 12,252.61-18,371.96-11,207.71

Finding the Fourth Proportional to 12,252.61, 18,371.96 and 11,207.71

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Solution

The fourth proportional to 12,252.61, 18,371.96 and 11,207.71 is: 16,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.61 : 18,371.96 = 11,207.71 : x
  2. Step 2: Convert to fraction form
    12,252.61/18,371.96 = 11,207.71/x
  3. Step 3: Cross multiply
    12,252.61x = 18,371.96 × 11,207.71
  4. Step 4: Simplify right side
    12,252.61x = 205,907,451.91
  5. Step 5: Solve for x
    x = 205,907,451.91/12,252.61
  6. Step 6: Final answer
    x = 16,805.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.