Home / 17,115.31-23,617.44-9,943.36

Finding the Fourth Proportional to 17,115.31, 23,617.44 and 9,943.36

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Solution

The fourth proportional to 17,115.31, 23,617.44 and 9,943.36 is: 13,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.31 : 23,617.44 = 9,943.36 : x
  2. Step 2: Convert to fraction form
    17,115.31/23,617.44 = 9,943.36/x
  3. Step 3: Cross multiply
    17,115.31x = 23,617.44 × 9,943.36
  4. Step 4: Simplify right side
    17,115.31x = 234,836,708.20
  5. Step 5: Solve for x
    x = 234,836,708.20/17,115.31
  6. Step 6: Final answer
    x = 13,720.86

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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.