Home / 17,540.43-26,311.56-8,772.38

Finding the Fourth Proportional to 17,540.43, 26,311.56 and 8,772.38

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Solution

The fourth proportional to 17,540.43, 26,311.56 and 8,772.38 is: 13,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.43 : 26,311.56 = 8,772.38 : x
  2. Step 2: Convert to fraction form
    17,540.43/26,311.56 = 8,772.38/x
  3. Step 3: Cross multiply
    17,540.43x = 26,311.56 × 8,772.38
  4. Step 4: Simplify right side
    17,540.43x = 230,815,035.60
  5. Step 5: Solve for x
    x = 230,815,035.60/17,540.43
  6. Step 6: Final answer
    x = 13,159.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.