Home / 14,634.06-20,194.92-7,919.69

Finding the Fourth Proportional to 14,634.06, 20,194.92 and 7,919.69

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Solution

The fourth proportional to 14,634.06, 20,194.92 and 7,919.69 is: 10,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.06 : 20,194.92 = 7,919.69 : x
  2. Step 2: Convert to fraction form
    14,634.06/20,194.92 = 7,919.69/x
  3. Step 3: Cross multiply
    14,634.06x = 20,194.92 × 7,919.69
  4. Step 4: Simplify right side
    14,634.06x = 159,937,405.00
  5. Step 5: Solve for x
    x = 159,937,405.00/14,634.06
  6. Step 6: Final answer
    x = 10,929.12

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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.