Home / 14,634.24-20,195.31-7,919.91

Finding the Fourth Proportional to 14,634.24, 20,195.31 and 7,919.91

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Solution

The fourth proportional to 14,634.24, 20,195.31 and 7,919.91 is: 10,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.24 : 20,195.31 = 7,919.91 : x
  2. Step 2: Convert to fraction form
    14,634.24/20,195.31 = 7,919.91/x
  3. Step 3: Cross multiply
    14,634.24x = 20,195.31 × 7,919.91
  4. Step 4: Simplify right side
    14,634.24x = 159,945,037.62
  5. Step 5: Solve for x
    x = 159,945,037.62/14,634.24
  6. Step 6: Final answer
    x = 10,929.51

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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.