Home / 13,998.30-19,305.99-10,469.94

Finding the Fourth Proportional to 13,998.30, 19,305.99 and 10,469.94

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Solution

The fourth proportional to 13,998.30, 19,305.99 and 10,469.94 is: 14,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.30 : 19,305.99 = 10,469.94 : x
  2. Step 2: Convert to fraction form
    13,998.30/19,305.99 = 10,469.94/x
  3. Step 3: Cross multiply
    13,998.30x = 19,305.99 × 10,469.94
  4. Step 4: Simplify right side
    13,998.30x = 202,132,556.94
  5. Step 5: Solve for x
    x = 202,132,556.94/13,998.30
  6. Step 6: Final answer
    x = 14,439.79

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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.