Home / 17,727.48-26,589.60-5,415.48

Finding the Fourth Proportional to 17,727.48, 26,589.60 and 5,415.48

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Solution

The fourth proportional to 17,727.48, 26,589.60 and 5,415.48 is: 8,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.48 : 26,589.60 = 5,415.48 : x
  2. Step 2: Convert to fraction form
    17,727.48/26,589.60 = 5,415.48/x
  3. Step 3: Cross multiply
    17,727.48x = 26,589.60 × 5,415.48
  4. Step 4: Simplify right side
    17,727.48x = 143,995,447.01
  5. Step 5: Solve for x
    x = 143,995,447.01/17,727.48
  6. Step 6: Final answer
    x = 8,122.73

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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.