Home / 14,634.68-20,195.87-7,920.32

Finding the Fourth Proportional to 14,634.68, 20,195.87 and 7,920.32

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Solution

The fourth proportional to 14,634.68, 20,195.87 and 7,920.32 is: 10,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.68 : 20,195.87 = 7,920.32 : x
  2. Step 2: Convert to fraction form
    14,634.68/20,195.87 = 7,920.32/x
  3. Step 3: Cross multiply
    14,634.68x = 20,195.87 × 7,920.32
  4. Step 4: Simplify right side
    14,634.68x = 159,957,612.50
  5. Step 5: Solve for x
    x = 159,957,612.50/14,634.68
  6. Step 6: Final answer
    x = 10,930.04

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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.