Home / 19,042.20-28,564.42-7,355.48

Finding the Fourth Proportional to 19,042.20, 28,564.42 and 7,355.48

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Solution

The fourth proportional to 19,042.20, 28,564.42 and 7,355.48 is: 11,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.20 : 28,564.42 = 7,355.48 : x
  2. Step 2: Convert to fraction form
    19,042.20/28,564.42 = 7,355.48/x
  3. Step 3: Cross multiply
    19,042.20x = 28,564.42 × 7,355.48
  4. Step 4: Simplify right side
    19,042.20x = 210,105,020.02
  5. Step 5: Solve for x
    x = 210,105,020.02/19,042.20
  6. Step 6: Final answer
    x = 11,033.65

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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.