Home / 18,694.24-28,040.59-7,600.51

Finding the Fourth Proportional to 18,694.24, 28,040.59 and 7,600.51

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Solution

The fourth proportional to 18,694.24, 28,040.59 and 7,600.51 is: 11,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.24 : 28,040.59 = 7,600.51 : x
  2. Step 2: Convert to fraction form
    18,694.24/28,040.59 = 7,600.51/x
  3. Step 3: Cross multiply
    18,694.24x = 28,040.59 × 7,600.51
  4. Step 4: Simplify right side
    18,694.24x = 213,122,712.98
  5. Step 5: Solve for x
    x = 213,122,712.98/18,694.24
  6. Step 6: Final answer
    x = 11,400.45

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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.