Home / 14,193.97-19,445.83-13,661.92

Finding the Fourth Proportional to 14,193.97, 19,445.83 and 13,661.92

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Solution

The fourth proportional to 14,193.97, 19,445.83 and 13,661.92 is: 18,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.97 : 19,445.83 = 13,661.92 : x
  2. Step 2: Convert to fraction form
    14,193.97/19,445.83 = 13,661.92/x
  3. Step 3: Cross multiply
    14,193.97x = 19,445.83 × 13,661.92
  4. Step 4: Simplify right side
    14,193.97x = 265,667,329.01
  5. Step 5: Solve for x
    x = 265,667,329.01/14,193.97
  6. Step 6: Final answer
    x = 18,716.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.