Home / 19,380.46-29,066.68-8,847.54

Finding the Fourth Proportional to 19,380.46, 29,066.68 and 8,847.54

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Solution

The fourth proportional to 19,380.46, 29,066.68 and 8,847.54 is: 13,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.46 : 29,066.68 = 8,847.54 : x
  2. Step 2: Convert to fraction form
    19,380.46/29,066.68 = 8,847.54/x
  3. Step 3: Cross multiply
    19,380.46x = 29,066.68 × 8,847.54
  4. Step 4: Simplify right side
    19,380.46x = 257,168,613.97
  5. Step 5: Solve for x
    x = 257,168,613.97/19,380.46
  6. Step 6: Final answer
    x = 13,269.48

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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.