Home / 16,121.34-22,257.45-11,083.68

Finding the Fourth Proportional to 16,121.34, 22,257.45 and 11,083.68

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Solution

The fourth proportional to 16,121.34, 22,257.45 and 11,083.68 is: 15,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.34 : 22,257.45 = 11,083.68 : x
  2. Step 2: Convert to fraction form
    16,121.34/22,257.45 = 11,083.68/x
  3. Step 3: Cross multiply
    16,121.34x = 22,257.45 × 11,083.68
  4. Step 4: Simplify right side
    16,121.34x = 246,694,453.42
  5. Step 5: Solve for x
    x = 246,694,453.42/16,121.34
  6. Step 6: Final answer
    x = 15,302.35

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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.