Home / 17,389.37-23,997.38-9,431.66

Finding the Fourth Proportional to 17,389.37, 23,997.38 and 9,431.66

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Solution

The fourth proportional to 17,389.37, 23,997.38 and 9,431.66 is: 13,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.37 : 23,997.38 = 9,431.66 : x
  2. Step 2: Convert to fraction form
    17,389.37/23,997.38 = 9,431.66/x
  3. Step 3: Cross multiply
    17,389.37x = 23,997.38 × 9,431.66
  4. Step 4: Simplify right side
    17,389.37x = 226,334,961.91
  5. Step 5: Solve for x
    x = 226,334,961.91/17,389.37
  6. Step 6: Final answer
    x = 13,015.71

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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.