Home / 19,042.92-28,564.43-5,191.92

Finding the Fourth Proportional to 19,042.92, 28,564.43 and 5,191.92

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Solution

The fourth proportional to 19,042.92, 28,564.43 and 5,191.92 is: 7,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.92 : 28,564.43 = 5,191.92 : x
  2. Step 2: Convert to fraction form
    19,042.92/28,564.43 = 5,191.92/x
  3. Step 3: Cross multiply
    19,042.92x = 28,564.43 × 5,191.92
  4. Step 4: Simplify right side
    19,042.92x = 148,304,209.45
  5. Step 5: Solve for x
    x = 148,304,209.45/19,042.92
  6. Step 6: Final answer
    x = 7,787.89

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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.