Home / 19,157.37-26,440.31-11,198.04

Finding the Fourth Proportional to 19,157.37, 26,440.31 and 11,198.04

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Solution

The fourth proportional to 19,157.37, 26,440.31 and 11,198.04 is: 15,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.37 : 26,440.31 = 11,198.04 : x
  2. Step 2: Convert to fraction form
    19,157.37/26,440.31 = 11,198.04/x
  3. Step 3: Cross multiply
    19,157.37x = 26,440.31 × 11,198.04
  4. Step 4: Simplify right side
    19,157.37x = 296,079,648.99
  5. Step 5: Solve for x
    x = 296,079,648.99/19,157.37
  6. Step 6: Final answer
    x = 15,455.13

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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.