Home / 23,133.78-34,720.11-18,545.94

Finding the Fourth Proportional to 23,133.78, 34,720.11 and 18,545.94

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Solution

The fourth proportional to 23,133.78, 34,720.11 and 18,545.94 is: 27,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.78 : 34,720.11 = 18,545.94 : x
  2. Step 2: Convert to fraction form
    23,133.78/34,720.11 = 18,545.94/x
  3. Step 3: Cross multiply
    23,133.78x = 34,720.11 × 18,545.94
  4. Step 4: Simplify right side
    23,133.78x = 643,917,076.85
  5. Step 5: Solve for x
    x = 643,917,076.85/23,133.78
  6. Step 6: Final answer
    x = 27,834.49

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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.