Home / 19,513.91-29,227.10-15,118.04

Finding the Fourth Proportional to 19,513.91, 29,227.10 and 15,118.04

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Solution

The fourth proportional to 19,513.91, 29,227.10 and 15,118.04 is: 22,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.91 : 29,227.10 = 15,118.04 : x
  2. Step 2: Convert to fraction form
    19,513.91/29,227.10 = 15,118.04/x
  3. Step 3: Cross multiply
    19,513.91x = 29,227.10 × 15,118.04
  4. Step 4: Simplify right side
    19,513.91x = 441,856,464.36
  5. Step 5: Solve for x
    x = 441,856,464.36/19,513.91
  6. Step 6: Final answer
    x = 22,643.15

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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.