Home / 17,239.24-25,742.09-13,689.43

Finding the Fourth Proportional to 17,239.24, 25,742.09 and 13,689.43

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Solution

The fourth proportional to 17,239.24, 25,742.09 and 13,689.43 is: 20,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.24 : 25,742.09 = 13,689.43 : x
  2. Step 2: Convert to fraction form
    17,239.24/25,742.09 = 13,689.43/x
  3. Step 3: Cross multiply
    17,239.24x = 25,742.09 × 13,689.43
  4. Step 4: Simplify right side
    17,239.24x = 352,394,539.11
  5. Step 5: Solve for x
    x = 352,394,539.11/17,239.24
  6. Step 6: Final answer
    x = 20,441.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.