Home / 19,697.98-29,551.83-7,224.79

Finding the Fourth Proportional to 19,697.98, 29,551.83 and 7,224.79

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Solution

The fourth proportional to 19,697.98, 29,551.83 and 7,224.79 is: 10,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.98 : 29,551.83 = 7,224.79 : x
  2. Step 2: Convert to fraction form
    19,697.98/29,551.83 = 7,224.79/x
  3. Step 3: Cross multiply
    19,697.98x = 29,551.83 × 7,224.79
  4. Step 4: Simplify right side
    19,697.98x = 213,505,765.87
  5. Step 5: Solve for x
    x = 213,505,765.87/19,697.98
  6. Step 6: Final answer
    x = 10,838.97

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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.