Home / 13,969.94-19,273.05-7,998.41

Finding the Fourth Proportional to 13,969.94, 19,273.05 and 7,998.41

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Solution

The fourth proportional to 13,969.94, 19,273.05 and 7,998.41 is: 11,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.94 : 19,273.05 = 7,998.41 : x
  2. Step 2: Convert to fraction form
    13,969.94/19,273.05 = 7,998.41/x
  3. Step 3: Cross multiply
    13,969.94x = 19,273.05 × 7,998.41
  4. Step 4: Simplify right side
    13,969.94x = 154,153,755.85
  5. Step 5: Solve for x
    x = 154,153,755.85/13,969.94
  6. Step 6: Final answer
    x = 11,034.68

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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.