Home / 19,190.97-28,790.10-6,714.54

Finding the Fourth Proportional to 19,190.97, 28,790.10 and 6,714.54

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Solution

The fourth proportional to 19,190.97, 28,790.10 and 6,714.54 is: 10,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.97 : 28,790.10 = 6,714.54 : x
  2. Step 2: Convert to fraction form
    19,190.97/28,790.10 = 6,714.54/x
  3. Step 3: Cross multiply
    19,190.97x = 28,790.10 × 6,714.54
  4. Step 4: Simplify right side
    19,190.97x = 193,312,278.05
  5. Step 5: Solve for x
    x = 193,312,278.05/19,190.97
  6. Step 6: Final answer
    x = 10,073.09

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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.