Home / 14,949.92-20,634.54-8,665.94

Finding the Fourth Proportional to 14,949.92, 20,634.54 and 8,665.94

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Solution

The fourth proportional to 14,949.92, 20,634.54 and 8,665.94 is: 11,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.92 : 20,634.54 = 8,665.94 : x
  2. Step 2: Convert to fraction form
    14,949.92/20,634.54 = 8,665.94/x
  3. Step 3: Cross multiply
    14,949.92x = 20,634.54 × 8,665.94
  4. Step 4: Simplify right side
    14,949.92x = 178,817,685.57
  5. Step 5: Solve for x
    x = 178,817,685.57/14,949.92
  6. Step 6: Final answer
    x = 11,961.11

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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.