Home / 19,391.12-29,097.12-7,704.44

Finding the Fourth Proportional to 19,391.12, 29,097.12 and 7,704.44

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Solution

The fourth proportional to 19,391.12, 29,097.12 and 7,704.44 is: 11,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.12 : 29,097.12 = 7,704.44 : x
  2. Step 2: Convert to fraction form
    19,391.12/29,097.12 = 7,704.44/x
  3. Step 3: Cross multiply
    19,391.12x = 29,097.12 × 7,704.44
  4. Step 4: Simplify right side
    19,391.12x = 224,177,015.21
  5. Step 5: Solve for x
    x = 224,177,015.21/19,391.12
  6. Step 6: Final answer
    x = 11,560.81

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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.