Home / 20,198.96-27,848.51-16,551.44

Finding the Fourth Proportional to 20,198.96, 27,848.51 and 16,551.44

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Solution

The fourth proportional to 20,198.96, 27,848.51 and 16,551.44 is: 22,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.96 : 27,848.51 = 16,551.44 : x
  2. Step 2: Convert to fraction form
    20,198.96/27,848.51 = 16,551.44/x
  3. Step 3: Cross multiply
    20,198.96x = 27,848.51 × 16,551.44
  4. Step 4: Simplify right side
    20,198.96x = 460,933,004.34
  5. Step 5: Solve for x
    x = 460,933,004.34/20,198.96
  6. Step 6: Final answer
    x = 22,819.64

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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.