Home / 19,954.56-29,930.94-5,913.96

Finding the Fourth Proportional to 19,954.56, 29,930.94 and 5,913.96

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Solution

The fourth proportional to 19,954.56, 29,930.94 and 5,913.96 is: 8,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.56 : 29,930.94 = 5,913.96 : x
  2. Step 2: Convert to fraction form
    19,954.56/29,930.94 = 5,913.96/x
  3. Step 3: Cross multiply
    19,954.56x = 29,930.94 × 5,913.96
  4. Step 4: Simplify right side
    19,954.56x = 177,010,381.92
  5. Step 5: Solve for x
    x = 177,010,381.92/19,954.56
  6. Step 6: Final answer
    x = 8,870.67

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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.