Home / 17,389.26-23,997.15-9,431.49

Finding the Fourth Proportional to 17,389.26, 23,997.15 and 9,431.49

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Solution

The fourth proportional to 17,389.26, 23,997.15 and 9,431.49 is: 13,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.26 : 23,997.15 = 9,431.49 : x
  2. Step 2: Convert to fraction form
    17,389.26/23,997.15 = 9,431.49/x
  3. Step 3: Cross multiply
    17,389.26x = 23,997.15 × 9,431.49
  4. Step 4: Simplify right side
    17,389.26x = 226,328,880.25
  5. Step 5: Solve for x
    x = 226,328,880.25/17,389.26
  6. Step 6: Final answer
    x = 13,015.44

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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.