Home / 19,448.91-29,170.94-5,409.99

Finding the Fourth Proportional to 19,448.91, 29,170.94 and 5,409.99

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Solution

The fourth proportional to 19,448.91, 29,170.94 and 5,409.99 is: 8,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.91 : 29,170.94 = 5,409.99 : x
  2. Step 2: Convert to fraction form
    19,448.91/29,170.94 = 5,409.99/x
  3. Step 3: Cross multiply
    19,448.91x = 29,170.94 × 5,409.99
  4. Step 4: Simplify right side
    19,448.91x = 157,814,466.64
  5. Step 5: Solve for x
    x = 157,814,466.64/19,448.91
  6. Step 6: Final answer
    x = 8,114.31

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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.