Home / 16,805.47-25,202.80-5,558.31

Finding the Fourth Proportional to 16,805.47, 25,202.80 and 5,558.31

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Solution

The fourth proportional to 16,805.47, 25,202.80 and 5,558.31 is: 8,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.47 : 25,202.80 = 5,558.31 : x
  2. Step 2: Convert to fraction form
    16,805.47/25,202.80 = 5,558.31/x
  3. Step 3: Cross multiply
    16,805.47x = 25,202.80 × 5,558.31
  4. Step 4: Simplify right side
    16,805.47x = 140,084,975.27
  5. Step 5: Solve for x
    x = 140,084,975.27/16,805.47
  6. Step 6: Final answer
    x = 8,335.68

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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.