Home / 17,725.18-26,593.92-7,871.38

Finding the Fourth Proportional to 17,725.18, 26,593.92 and 7,871.38

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Solution

The fourth proportional to 17,725.18, 26,593.92 and 7,871.38 is: 11,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.18 : 26,593.92 = 7,871.38 : x
  2. Step 2: Convert to fraction form
    17,725.18/26,593.92 = 7,871.38/x
  3. Step 3: Cross multiply
    17,725.18x = 26,593.92 × 7,871.38
  4. Step 4: Simplify right side
    17,725.18x = 209,330,783.52
  5. Step 5: Solve for x
    x = 209,330,783.52/17,725.18
  6. Step 6: Final answer
    x = 11,809.80

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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.