Home / 19,336.96-28,983.12-8,791.18

Finding the Fourth Proportional to 19,336.96, 28,983.12 and 8,791.18

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Solution

The fourth proportional to 19,336.96, 28,983.12 and 8,791.18 is: 13,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.96 : 28,983.12 = 8,791.18 : x
  2. Step 2: Convert to fraction form
    19,336.96/28,983.12 = 8,791.18/x
  3. Step 3: Cross multiply
    19,336.96x = 28,983.12 × 8,791.18
  4. Step 4: Simplify right side
    19,336.96x = 254,795,824.88
  5. Step 5: Solve for x
    x = 254,795,824.88/19,336.96
  6. Step 6: Final answer
    x = 13,176.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.