Home / 14,107.38-19,468.29-7,819.75

Finding the Fourth Proportional to 14,107.38, 19,468.29 and 7,819.75

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Solution

The fourth proportional to 14,107.38, 19,468.29 and 7,819.75 is: 10,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.38 : 19,468.29 = 7,819.75 : x
  2. Step 2: Convert to fraction form
    14,107.38/19,468.29 = 7,819.75/x
  3. Step 3: Cross multiply
    14,107.38x = 19,468.29 × 7,819.75
  4. Step 4: Simplify right side
    14,107.38x = 152,237,160.73
  5. Step 5: Solve for x
    x = 152,237,160.73/14,107.38
  6. Step 6: Final answer
    x = 10,791.31

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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.