Home / 15,511.91-23,264.31-4,418.35

Finding the Fourth Proportional to 15,511.91, 23,264.31 and 4,418.35

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Solution

The fourth proportional to 15,511.91, 23,264.31 and 4,418.35 is: 6,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.91 : 23,264.31 = 4,418.35 : x
  2. Step 2: Convert to fraction form
    15,511.91/23,264.31 = 4,418.35/x
  3. Step 3: Cross multiply
    15,511.91x = 23,264.31 × 4,418.35
  4. Step 4: Simplify right side
    15,511.91x = 102,789,822.50
  5. Step 5: Solve for x
    x = 102,789,822.50/15,511.91
  6. Step 6: Final answer
    x = 6,626.51

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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.