Home / 17,143.52-23,668.38-11,185.52

Finding the Fourth Proportional to 17,143.52, 23,668.38 and 11,185.52

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Solution

The fourth proportional to 17,143.52, 23,668.38 and 11,185.52 is: 15,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.52 : 23,668.38 = 11,185.52 : x
  2. Step 2: Convert to fraction form
    17,143.52/23,668.38 = 11,185.52/x
  3. Step 3: Cross multiply
    17,143.52x = 23,668.38 × 11,185.52
  4. Step 4: Simplify right side
    17,143.52x = 264,743,137.86
  5. Step 5: Solve for x
    x = 264,743,137.86/17,143.52
  6. Step 6: Final answer
    x = 15,442.75

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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.