Home / 14,093.52-21,141.36-3,705

Finding the Fourth Proportional to 14,093.52, 21,141.36 and 3,705

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Solution

The fourth proportional to 14,093.52, 21,141.36 and 3,705 is: 5,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.52 : 21,141.36 = 3,705 : x
  2. Step 2: Convert to fraction form
    14,093.52/21,141.36 = 3,705/x
  3. Step 3: Cross multiply
    14,093.52x = 21,141.36 × 3,705
  4. Step 4: Simplify right side
    14,093.52x = 78,328,738.80
  5. Step 5: Solve for x
    x = 78,328,738.80/14,093.52
  6. Step 6: Final answer
    x = 5,557.78

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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.