Home / 14,107.97-19,558.12-13,358.94

Finding the Fourth Proportional to 14,107.97, 19,558.12 and 13,358.94

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Solution

The fourth proportional to 14,107.97, 19,558.12 and 13,358.94 is: 18,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.97 : 19,558.12 = 13,358.94 : x
  2. Step 2: Convert to fraction form
    14,107.97/19,558.12 = 13,358.94/x
  3. Step 3: Cross multiply
    14,107.97x = 19,558.12 × 13,358.94
  4. Step 4: Simplify right side
    14,107.97x = 261,275,751.59
  5. Step 5: Solve for x
    x = 261,275,751.59/14,107.97
  6. Step 6: Final answer
    x = 18,519.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.