Home / 12,743.20-17,600.54-11,622.16

Finding the Fourth Proportional to 12,743.20, 17,600.54 and 11,622.16

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Solution

The fourth proportional to 12,743.20, 17,600.54 and 11,622.16 is: 16,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.20 : 17,600.54 = 11,622.16 : x
  2. Step 2: Convert to fraction form
    12,743.20/17,600.54 = 11,622.16/x
  3. Step 3: Cross multiply
    12,743.20x = 17,600.54 × 11,622.16
  4. Step 4: Simplify right side
    12,743.20x = 204,556,291.97
  5. Step 5: Solve for x
    x = 204,556,291.97/12,743.20
  6. Step 6: Final answer
    x = 16,052.19

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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.