Home / 17,252.30-25,891.32-12,820.22

Finding the Fourth Proportional to 17,252.30, 25,891.32 and 12,820.22

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Solution

The fourth proportional to 17,252.30, 25,891.32 and 12,820.22 is: 19,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,252.30 : 25,891.32 = 12,820.22 : x
  2. Step 2: Convert to fraction form
    17,252.30/25,891.32 = 12,820.22/x
  3. Step 3: Cross multiply
    17,252.30x = 25,891.32 × 12,820.22
  4. Step 4: Simplify right side
    17,252.30x = 331,932,418.49
  5. Step 5: Solve for x
    x = 331,932,418.49/17,252.30
  6. Step 6: Final answer
    x = 19,239.89

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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.