Home / 19,709.72-29,569.25-5,669.43

Finding the Fourth Proportional to 19,709.72, 29,569.25 and 5,669.43

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Solution

The fourth proportional to 19,709.72, 29,569.25 and 5,669.43 is: 8,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.72 : 29,569.25 = 5,669.43 : x
  2. Step 2: Convert to fraction form
    19,709.72/29,569.25 = 5,669.43/x
  3. Step 3: Cross multiply
    19,709.72x = 29,569.25 × 5,669.43
  4. Step 4: Simplify right side
    19,709.72x = 167,640,645.18
  5. Step 5: Solve for x
    x = 167,640,645.18/19,709.72
  6. Step 6: Final answer
    x = 8,505.48

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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.