Home / 17,177.55-23,716.44-13,191.54

Finding the Fourth Proportional to 17,177.55, 23,716.44 and 13,191.54

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Solution

The fourth proportional to 17,177.55, 23,716.44 and 13,191.54 is: 18,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.55 : 23,716.44 = 13,191.54 : x
  2. Step 2: Convert to fraction form
    17,177.55/23,716.44 = 13,191.54/x
  3. Step 3: Cross multiply
    17,177.55x = 23,716.44 × 13,191.54
  4. Step 4: Simplify right side
    17,177.55x = 312,856,366.92
  5. Step 5: Solve for x
    x = 312,856,366.92/17,177.55
  6. Step 6: Final answer
    x = 18,213.10

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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.