Home / 19,859.20-29,792.91-5,819.69

Finding the Fourth Proportional to 19,859.20, 29,792.91 and 5,819.69

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Solution

The fourth proportional to 19,859.20, 29,792.91 and 5,819.69 is: 8,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.20 : 29,792.91 = 5,819.69 : x
  2. Step 2: Convert to fraction form
    19,859.20/29,792.91 = 5,819.69/x
  3. Step 3: Cross multiply
    19,859.20x = 29,792.91 × 5,819.69
  4. Step 4: Simplify right side
    19,859.20x = 173,385,488.36
  5. Step 5: Solve for x
    x = 173,385,488.36/19,859.20
  6. Step 6: Final answer
    x = 8,730.74

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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.