Home / 17,756.43-26,616.62-11,520.44

Finding the Fourth Proportional to 17,756.43, 26,616.62 and 11,520.44

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Solution

The fourth proportional to 17,756.43, 26,616.62 and 11,520.44 is: 17,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.43 : 26,616.62 = 11,520.44 : x
  2. Step 2: Convert to fraction form
    17,756.43/26,616.62 = 11,520.44/x
  3. Step 3: Cross multiply
    17,756.43x = 26,616.62 × 11,520.44
  4. Step 4: Simplify right side
    17,756.43x = 306,635,173.71
  5. Step 5: Solve for x
    x = 306,635,173.71/17,756.43
  6. Step 6: Final answer
    x = 17,268.97

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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.