Home / 17,198.09-23,701.23-13,415.26

Finding the Fourth Proportional to 17,198.09, 23,701.23 and 13,415.26

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Solution

The fourth proportional to 17,198.09, 23,701.23 and 13,415.26 is: 18,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.09 : 23,701.23 = 13,415.26 : x
  2. Step 2: Convert to fraction form
    17,198.09/23,701.23 = 13,415.26/x
  3. Step 3: Cross multiply
    17,198.09x = 23,701.23 × 13,415.26
  4. Step 4: Simplify right side
    17,198.09x = 317,958,142.09
  5. Step 5: Solve for x
    x = 317,958,142.09/17,198.09
  6. Step 6: Final answer
    x = 18,487.99

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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.