Home / 17,141.76-23,650.38-11,171.25

Finding the Fourth Proportional to 17,141.76, 23,650.38 and 11,171.25

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Solution

The fourth proportional to 17,141.76, 23,650.38 and 11,171.25 is: 15,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.76 : 23,650.38 = 11,171.25 : x
  2. Step 2: Convert to fraction form
    17,141.76/23,650.38 = 11,171.25/x
  3. Step 3: Cross multiply
    17,141.76x = 23,650.38 × 11,171.25
  4. Step 4: Simplify right side
    17,141.76x = 264,204,307.58
  5. Step 5: Solve for x
    x = 264,204,307.58/17,141.76
  6. Step 6: Final answer
    x = 15,412.90

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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.