Home / 18,726.03-25,835.58-11,455.46

Finding the Fourth Proportional to 18,726.03, 25,835.58 and 11,455.46

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Solution

The fourth proportional to 18,726.03, 25,835.58 and 11,455.46 is: 15,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.03 : 25,835.58 = 11,455.46 : x
  2. Step 2: Convert to fraction form
    18,726.03/25,835.58 = 11,455.46/x
  3. Step 3: Cross multiply
    18,726.03x = 25,835.58 × 11,455.46
  4. Step 4: Simplify right side
    18,726.03x = 295,958,324.09
  5. Step 5: Solve for x
    x = 295,958,324.09/18,726.03
  6. Step 6: Final answer
    x = 15,804.65

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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.