Home / 17,144.39-25,716.41-13,009.80

Finding the Fourth Proportional to 17,144.39, 25,716.41 and 13,009.80

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Solution

The fourth proportional to 17,144.39, 25,716.41 and 13,009.80 is: 19,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.39 : 25,716.41 = 13,009.80 : x
  2. Step 2: Convert to fraction form
    17,144.39/25,716.41 = 13,009.80/x
  3. Step 3: Cross multiply
    17,144.39x = 25,716.41 × 13,009.80
  4. Step 4: Simplify right side
    17,144.39x = 334,565,238.12
  5. Step 5: Solve for x
    x = 334,565,238.12/17,144.39
  6. Step 6: Final answer
    x = 19,514.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.