Home / 17,040.40-23,519.88-11,375.44

Finding the Fourth Proportional to 17,040.40, 23,519.88 and 11,375.44

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Solution

The fourth proportional to 17,040.40, 23,519.88 and 11,375.44 is: 15,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040.40 : 23,519.88 = 11,375.44 : x
  2. Step 2: Convert to fraction form
    17,040.40/23,519.88 = 11,375.44/x
  3. Step 3: Cross multiply
    17,040.40x = 23,519.88 × 11,375.44
  4. Step 4: Simplify right side
    17,040.40x = 267,548,983.75
  5. Step 5: Solve for x
    x = 267,548,983.75/17,040.40
  6. Step 6: Final answer
    x = 15,700.86

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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.