Home / 17,120.38-25,634.43-11,182.56

Finding the Fourth Proportional to 17,120.38, 25,634.43 and 11,182.56

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Solution

The fourth proportional to 17,120.38, 25,634.43 and 11,182.56 is: 16,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.38 : 25,634.43 = 11,182.56 : x
  2. Step 2: Convert to fraction form
    17,120.38/25,634.43 = 11,182.56/x
  3. Step 3: Cross multiply
    17,120.38x = 25,634.43 × 11,182.56
  4. Step 4: Simplify right side
    17,120.38x = 286,658,495.63
  5. Step 5: Solve for x
    x = 286,658,495.63/17,120.38
  6. Step 6: Final answer
    x = 16,743.70

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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.