Home / 17,142.89-23,659.38-9,589.64

Finding the Fourth Proportional to 17,142.89, 23,659.38 and 9,589.64

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Solution

The fourth proportional to 17,142.89, 23,659.38 and 9,589.64 is: 13,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.89 : 23,659.38 = 9,589.64 : x
  2. Step 2: Convert to fraction form
    17,142.89/23,659.38 = 9,589.64/x
  3. Step 3: Cross multiply
    17,142.89x = 23,659.38 × 9,589.64
  4. Step 4: Simplify right side
    17,142.89x = 226,884,995.97
  5. Step 5: Solve for x
    x = 226,884,995.97/17,142.89
  6. Step 6: Final answer
    x = 13,234.93

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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.