Home / 17,120.45-25,634.52-11,182.63

Finding the Fourth Proportional to 17,120.45, 25,634.52 and 11,182.63

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Solution

The fourth proportional to 17,120.45, 25,634.52 and 11,182.63 is: 16,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.45 : 25,634.52 = 11,182.63 : x
  2. Step 2: Convert to fraction form
    17,120.45/25,634.52 = 11,182.63/x
  3. Step 3: Cross multiply
    17,120.45x = 25,634.52 × 11,182.63
  4. Step 4: Simplify right side
    17,120.45x = 286,661,288.30
  5. Step 5: Solve for x
    x = 286,661,288.30/17,120.45
  6. Step 6: Final answer
    x = 16,743.80

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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.