Home / 17,072.88-23,555.16-9,619.44

Finding the Fourth Proportional to 17,072.88, 23,555.16 and 9,619.44

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Solution

The fourth proportional to 17,072.88, 23,555.16 and 9,619.44 is: 13,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.88 : 23,555.16 = 9,619.44 : x
  2. Step 2: Convert to fraction form
    17,072.88/23,555.16 = 9,619.44/x
  3. Step 3: Cross multiply
    17,072.88x = 23,555.16 × 9,619.44
  4. Step 4: Simplify right side
    17,072.88x = 226,587,448.31
  5. Step 5: Solve for x
    x = 226,587,448.31/17,072.88
  6. Step 6: Final answer
    x = 13,271.78

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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.