Home / 19,474.42-26,857.06-12,757.60

Finding the Fourth Proportional to 19,474.42, 26,857.06 and 12,757.60

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Solution

The fourth proportional to 19,474.42, 26,857.06 and 12,757.60 is: 17,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.42 : 26,857.06 = 12,757.60 : x
  2. Step 2: Convert to fraction form
    19,474.42/26,857.06 = 12,757.60/x
  3. Step 3: Cross multiply
    19,474.42x = 26,857.06 × 12,757.60
  4. Step 4: Simplify right side
    19,474.42x = 342,631,628.66
  5. Step 5: Solve for x
    x = 342,631,628.66/19,474.42
  6. Step 6: Final answer
    x = 17,593.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.