Home / 17,115.49-23,619.38-9,561.80

Finding the Fourth Proportional to 17,115.49, 23,619.38 and 9,561.80

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Solution

The fourth proportional to 17,115.49, 23,619.38 and 9,561.80 is: 13,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.49 : 23,619.38 = 9,561.80 : x
  2. Step 2: Convert to fraction form
    17,115.49/23,619.38 = 9,561.80/x
  3. Step 3: Cross multiply
    17,115.49x = 23,619.38 × 9,561.80
  4. Step 4: Simplify right side
    17,115.49x = 225,843,739.88
  5. Step 5: Solve for x
    x = 225,843,739.88/17,115.49
  6. Step 6: Final answer
    x = 13,195.29

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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.