Home / 19,363.11-29,044.89-18,418.83

Finding the Fourth Proportional to 19,363.11, 29,044.89 and 18,418.83

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Solution

The fourth proportional to 19,363.11, 29,044.89 and 18,418.83 is: 27,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.11 : 29,044.89 = 18,418.83 : x
  2. Step 2: Convert to fraction form
    19,363.11/29,044.89 = 18,418.83/x
  3. Step 3: Cross multiply
    19,363.11x = 29,044.89 × 18,418.83
  4. Step 4: Simplify right side
    19,363.11x = 534,972,891.28
  5. Step 5: Solve for x
    x = 534,972,891.28/19,363.11
  6. Step 6: Final answer
    x = 27,628.46

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1.5x scale

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.