Home / 22,154.96-30,558.62-13,195.56

Finding the Fourth Proportional to 22,154.96, 30,558.62 and 13,195.56

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Solution

The fourth proportional to 22,154.96, 30,558.62 and 13,195.56 is: 18,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.96 : 30,558.62 = 13,195.56 : x
  2. Step 2: Convert to fraction form
    22,154.96/30,558.62 = 13,195.56/x
  3. Step 3: Cross multiply
    22,154.96x = 30,558.62 × 13,195.56
  4. Step 4: Simplify right side
    22,154.96x = 403,238,103.73
  5. Step 5: Solve for x
    x = 403,238,103.73/22,154.96
  6. Step 6: Final answer
    x = 18,200.80

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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.