Home / 16,939.53-25,399.01-7,577.80

Finding the Fourth Proportional to 16,939.53, 25,399.01 and 7,577.80

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Solution

The fourth proportional to 16,939.53, 25,399.01 and 7,577.80 is: 11,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.53 : 25,399.01 = 7,577.80 : x
  2. Step 2: Convert to fraction form
    16,939.53/25,399.01 = 7,577.80/x
  3. Step 3: Cross multiply
    16,939.53x = 25,399.01 × 7,577.80
  4. Step 4: Simplify right side
    16,939.53x = 192,468,573.42
  5. Step 5: Solve for x
    x = 192,468,573.42/16,939.53
  6. Step 6: Final answer
    x = 11,362.10

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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.