Home / 17,422.12-26,131.20-4,943.20

Finding the Fourth Proportional to 17,422.12, 26,131.20 and 4,943.20

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Solution

The fourth proportional to 17,422.12, 26,131.20 and 4,943.20 is: 7,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,422.12 : 26,131.20 = 4,943.20 : x
  2. Step 2: Convert to fraction form
    17,422.12/26,131.20 = 4,943.20/x
  3. Step 3: Cross multiply
    17,422.12x = 26,131.20 × 4,943.20
  4. Step 4: Simplify right side
    17,422.12x = 129,171,747.84
  5. Step 5: Solve for x
    x = 129,171,747.84/17,422.12
  6. Step 6: Final answer
    x = 7,414.24

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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.