Home / 19,446.06-29,147.13-7,745.70

Finding the Fourth Proportional to 19,446.06, 29,147.13 and 7,745.70

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Solution

The fourth proportional to 19,446.06, 29,147.13 and 7,745.70 is: 11,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.06 : 29,147.13 = 7,745.70 : x
  2. Step 2: Convert to fraction form
    19,446.06/29,147.13 = 7,745.70/x
  3. Step 3: Cross multiply
    19,446.06x = 29,147.13 × 7,745.70
  4. Step 4: Simplify right side
    19,446.06x = 225,764,924.84
  5. Step 5: Solve for x
    x = 225,764,924.84/19,446.06
  6. Step 6: Final answer
    x = 11,609.80

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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.