Home / 19,947.54-29,912.19-5,902.57

Finding the Fourth Proportional to 19,947.54, 29,912.19 and 5,902.57

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Solution

The fourth proportional to 19,947.54, 29,912.19 and 5,902.57 is: 8,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.54 : 29,912.19 = 5,902.57 : x
  2. Step 2: Convert to fraction form
    19,947.54/29,912.19 = 5,902.57/x
  3. Step 3: Cross multiply
    19,947.54x = 29,912.19 × 5,902.57
  4. Step 4: Simplify right side
    19,947.54x = 176,558,795.33
  5. Step 5: Solve for x
    x = 176,558,795.33/19,947.54
  6. Step 6: Final answer
    x = 8,851.16

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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.