Home / 13,944.75-19,243.89-7,657.26

Finding the Fourth Proportional to 13,944.75, 19,243.89 and 7,657.26

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Solution

The fourth proportional to 13,944.75, 19,243.89 and 7,657.26 is: 10,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.75 : 19,243.89 = 7,657.26 : x
  2. Step 2: Convert to fraction form
    13,944.75/19,243.89 = 7,657.26/x
  3. Step 3: Cross multiply
    13,944.75x = 19,243.89 × 7,657.26
  4. Step 4: Simplify right side
    13,944.75x = 147,355,469.14
  5. Step 5: Solve for x
    x = 147,355,469.14/13,944.75
  6. Step 6: Final answer
    x = 10,567.09

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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.