Home / 19,100.09-28,608.60-11,682.11

Finding the Fourth Proportional to 19,100.09, 28,608.60 and 11,682.11

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Solution

The fourth proportional to 19,100.09, 28,608.60 and 11,682.11 is: 17,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.09 : 28,608.60 = 11,682.11 : x
  2. Step 2: Convert to fraction form
    19,100.09/28,608.60 = 11,682.11/x
  3. Step 3: Cross multiply
    19,100.09x = 28,608.60 × 11,682.11
  4. Step 4: Simplify right side
    19,100.09x = 334,208,669.10
  5. Step 5: Solve for x
    x = 334,208,669.10/19,100.09
  6. Step 6: Final answer
    x = 17,497.76

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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.