Home / 16,721.73-25,085.19-5,627.55

Finding the Fourth Proportional to 16,721.73, 25,085.19 and 5,627.55

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Solution

The fourth proportional to 16,721.73, 25,085.19 and 5,627.55 is: 8,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.73 : 25,085.19 = 5,627.55 : x
  2. Step 2: Convert to fraction form
    16,721.73/25,085.19 = 5,627.55/x
  3. Step 3: Cross multiply
    16,721.73x = 25,085.19 × 5,627.55
  4. Step 4: Simplify right side
    16,721.73x = 141,168,160.98
  5. Step 5: Solve for x
    x = 141,168,160.98/16,721.73
  6. Step 6: Final answer
    x = 8,442.20

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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.