Home / 17,647.88-26,474.28-5,168.80

Finding the Fourth Proportional to 17,647.88, 26,474.28 and 5,168.80

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Solution

The fourth proportional to 17,647.88, 26,474.28 and 5,168.80 is: 7,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.88 : 26,474.28 = 5,168.80 : x
  2. Step 2: Convert to fraction form
    17,647.88/26,474.28 = 5,168.80/x
  3. Step 3: Cross multiply
    17,647.88x = 26,474.28 × 5,168.80
  4. Step 4: Simplify right side
    17,647.88x = 136,840,256.75
  5. Step 5: Solve for x
    x = 136,840,256.75/17,647.88
  6. Step 6: Final answer
    x = 7,753.92

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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.