Home / 17,687.26-24,407.91-9,729.49

Finding the Fourth Proportional to 17,687.26, 24,407.91 and 9,729.49

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Solution

The fourth proportional to 17,687.26, 24,407.91 and 9,729.49 is: 13,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.26 : 24,407.91 = 9,729.49 : x
  2. Step 2: Convert to fraction form
    17,687.26/24,407.91 = 9,729.49/x
  3. Step 3: Cross multiply
    17,687.26x = 24,407.91 × 9,729.49
  4. Step 4: Simplify right side
    17,687.26x = 237,476,345.58
  5. Step 5: Solve for x
    x = 237,476,345.58/17,687.26
  6. Step 6: Final answer
    x = 13,426.41

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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.