Home / 19,155.62-28,794.92-17,786.00

Finding the Fourth Proportional to 19,155.62, 28,794.92 and 17,786.00

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Solution

The fourth proportional to 19,155.62, 28,794.92 and 17,786.00 is: 26,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.62 : 28,794.92 = 17,786.00 : x
  2. Step 2: Convert to fraction form
    19,155.62/28,794.92 = 17,786.00/x
  3. Step 3: Cross multiply
    19,155.62x = 28,794.92 × 17,786.00
  4. Step 4: Simplify right side
    19,155.62x = 512,146,214.22
  5. Step 5: Solve for x
    x = 512,146,214.22/19,155.62
  6. Step 6: Final answer
    x = 26,736.09

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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.