Home / 19,956.25-29,940.26-5,916.68

Finding the Fourth Proportional to 19,956.25, 29,940.26 and 5,916.68

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Solution

The fourth proportional to 19,956.25, 29,940.26 and 5,916.68 is: 8,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.25 : 29,940.26 = 5,916.68 : x
  2. Step 2: Convert to fraction form
    19,956.25/29,940.26 = 5,916.68/x
  3. Step 3: Cross multiply
    19,956.25x = 29,940.26 × 5,916.68
  4. Step 4: Simplify right side
    19,956.25x = 177,146,870.53
  5. Step 5: Solve for x
    x = 177,146,870.53/19,956.25
  6. Step 6: Final answer
    x = 8,876.76

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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.