Home / 14,474.30-21,711.81-3,944.40

Finding the Fourth Proportional to 14,474.30, 21,711.81 and 3,944.40

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Solution

The fourth proportional to 14,474.30, 21,711.81 and 3,944.40 is: 5,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.30 : 21,711.81 = 3,944.40 : x
  2. Step 2: Convert to fraction form
    14,474.30/21,711.81 = 3,944.40/x
  3. Step 3: Cross multiply
    14,474.30x = 21,711.81 × 3,944.40
  4. Step 4: Simplify right side
    14,474.30x = 85,640,063.36
  5. Step 5: Solve for x
    x = 85,640,063.36/14,474.30
  6. Step 6: Final answer
    x = 5,916.70

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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.