Home / 14,920.20-20,588.04-8,951.04

Finding the Fourth Proportional to 14,920.20, 20,588.04 and 8,951.04

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Solution

The fourth proportional to 14,920.20, 20,588.04 and 8,951.04 is: 12,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.20 : 20,588.04 = 8,951.04 : x
  2. Step 2: Convert to fraction form
    14,920.20/20,588.04 = 8,951.04/x
  3. Step 3: Cross multiply
    14,920.20x = 20,588.04 × 8,951.04
  4. Step 4: Simplify right side
    14,920.20x = 184,284,369.56
  5. Step 5: Solve for x
    x = 184,284,369.56/14,920.20
  6. Step 6: Final answer
    x = 12,351.33

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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.