Home / 14,634.26-20,195.28-7,919.89

Finding the Fourth Proportional to 14,634.26, 20,195.28 and 7,919.89

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Solution

The fourth proportional to 14,634.26, 20,195.28 and 7,919.89 is: 10,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.26 : 20,195.28 = 7,919.89 : x
  2. Step 2: Convert to fraction form
    14,634.26/20,195.28 = 7,919.89/x
  3. Step 3: Cross multiply
    14,634.26x = 20,195.28 × 7,919.89
  4. Step 4: Simplify right side
    14,634.26x = 159,944,289.57
  5. Step 5: Solve for x
    x = 159,944,289.57/14,634.26
  6. Step 6: Final answer
    x = 10,929.44

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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.