Home / 17,218.16-23,761.31-16,622.20

Finding the Fourth Proportional to 17,218.16, 23,761.31 and 16,622.20

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Solution

The fourth proportional to 17,218.16, 23,761.31 and 16,622.20 is: 22,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.16 : 23,761.31 = 16,622.20 : x
  2. Step 2: Convert to fraction form
    17,218.16/23,761.31 = 16,622.20/x
  3. Step 3: Cross multiply
    17,218.16x = 23,761.31 × 16,622.20
  4. Step 4: Simplify right side
    17,218.16x = 394,965,247.08
  5. Step 5: Solve for x
    x = 394,965,247.08/17,218.16
  6. Step 6: Final answer
    x = 22,938.88

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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.