Home / 19,906.20-27,491.40-16,166.34

Finding the Fourth Proportional to 19,906.20, 27,491.40 and 16,166.34

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Solution

The fourth proportional to 19,906.20, 27,491.40 and 16,166.34 is: 22,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.20 : 27,491.40 = 16,166.34 : x
  2. Step 2: Convert to fraction form
    19,906.20/27,491.40 = 16,166.34/x
  3. Step 3: Cross multiply
    19,906.20x = 27,491.40 × 16,166.34
  4. Step 4: Simplify right side
    19,906.20x = 444,435,319.48
  5. Step 5: Solve for x
    x = 444,435,319.48/19,906.20
  6. Step 6: Final answer
    x = 22,326.48

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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.