Home / 19,161.57-28,742.30-6,013.89

Finding the Fourth Proportional to 19,161.57, 28,742.30 and 6,013.89

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Solution

The fourth proportional to 19,161.57, 28,742.30 and 6,013.89 is: 9,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.57 : 28,742.30 = 6,013.89 : x
  2. Step 2: Convert to fraction form
    19,161.57/28,742.30 = 6,013.89/x
  3. Step 3: Cross multiply
    19,161.57x = 28,742.30 × 6,013.89
  4. Step 4: Simplify right side
    19,161.57x = 172,853,000.48
  5. Step 5: Solve for x
    x = 172,853,000.48/19,161.57
  6. Step 6: Final answer
    x = 9,020.82

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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.