Home / 17,145.39-23,651.12-9,974.49

Finding the Fourth Proportional to 17,145.39, 23,651.12 and 9,974.49

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Solution

The fourth proportional to 17,145.39, 23,651.12 and 9,974.49 is: 13,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.39 : 23,651.12 = 9,974.49 : x
  2. Step 2: Convert to fraction form
    17,145.39/23,651.12 = 9,974.49/x
  3. Step 3: Cross multiply
    17,145.39x = 23,651.12 × 9,974.49
  4. Step 4: Simplify right side
    17,145.39x = 235,907,810.06
  5. Step 5: Solve for x
    x = 235,907,810.06/17,145.39
  6. Step 6: Final answer
    x = 13,759.26

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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.