Home / 19,190.70-28,784.16-6,708.42

Finding the Fourth Proportional to 19,190.70, 28,784.16 and 6,708.42

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Solution

The fourth proportional to 19,190.70, 28,784.16 and 6,708.42 is: 10,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.70 : 28,784.16 = 6,708.42 : x
  2. Step 2: Convert to fraction form
    19,190.70/28,784.16 = 6,708.42/x
  3. Step 3: Cross multiply
    19,190.70x = 28,784.16 × 6,708.42
  4. Step 4: Simplify right side
    19,190.70x = 193,096,234.63
  5. Step 5: Solve for x
    x = 193,096,234.63/19,190.70
  6. Step 6: Final answer
    x = 10,061.97

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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.