Home / 19,153.61-28,791.92-17,783.99

Finding the Fourth Proportional to 19,153.61, 28,791.92 and 17,783.99

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Solution

The fourth proportional to 19,153.61, 28,791.92 and 17,783.99 is: 26,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.61 : 28,791.92 = 17,783.99 : x
  2. Step 2: Convert to fraction form
    19,153.61/28,791.92 = 17,783.99/x
  3. Step 3: Cross multiply
    19,153.61x = 28,791.92 × 17,783.99
  4. Step 4: Simplify right side
    19,153.61x = 512,035,217.36
  5. Step 5: Solve for x
    x = 512,035,217.36/19,153.61
  6. Step 6: Final answer
    x = 26,733.09

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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.