Home / 19,409.54-29,114.49-5,558.54

Finding the Fourth Proportional to 19,409.54, 29,114.49 and 5,558.54

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Solution

The fourth proportional to 19,409.54, 29,114.49 and 5,558.54 is: 8,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.54 : 29,114.49 = 5,558.54 : x
  2. Step 2: Convert to fraction form
    19,409.54/29,114.49 = 5,558.54/x
  3. Step 3: Cross multiply
    19,409.54x = 29,114.49 × 5,558.54
  4. Step 4: Simplify right side
    19,409.54x = 161,834,057.24
  5. Step 5: Solve for x
    x = 161,834,057.24/19,409.54
  6. Step 6: Final answer
    x = 8,337.86

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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.