Home / 19,874.45-29,809.85-6,725.31

Finding the Fourth Proportional to 19,874.45, 29,809.85 and 6,725.31

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Solution

The fourth proportional to 19,874.45, 29,809.85 and 6,725.31 is: 10,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.45 : 29,809.85 = 6,725.31 : x
  2. Step 2: Convert to fraction form
    19,874.45/29,809.85 = 6,725.31/x
  3. Step 3: Cross multiply
    19,874.45x = 29,809.85 × 6,725.31
  4. Step 4: Simplify right side
    19,874.45x = 200,480,448.68
  5. Step 5: Solve for x
    x = 200,480,448.68/19,874.45
  6. Step 6: Final answer
    x = 10,087.35

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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.