Home / 17,520.25-24,177.96-10,450.78

Finding the Fourth Proportional to 17,520.25, 24,177.96 and 10,450.78

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Solution

The fourth proportional to 17,520.25, 24,177.96 and 10,450.78 is: 14,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.25 : 24,177.96 = 10,450.78 : x
  2. Step 2: Convert to fraction form
    17,520.25/24,177.96 = 10,450.78/x
  3. Step 3: Cross multiply
    17,520.25x = 24,177.96 × 10,450.78
  4. Step 4: Simplify right side
    17,520.25x = 252,678,540.81
  5. Step 5: Solve for x
    x = 252,678,540.81/17,520.25
  6. Step 6: Final answer
    x = 14,422.09

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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.