Home / 19,546.86-29,325.78-7,868.28

Finding the Fourth Proportional to 19,546.86, 29,325.78 and 7,868.28

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Solution

The fourth proportional to 19,546.86, 29,325.78 and 7,868.28 is: 11,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.86 : 29,325.78 = 7,868.28 : x
  2. Step 2: Convert to fraction form
    19,546.86/29,325.78 = 7,868.28/x
  3. Step 3: Cross multiply
    19,546.86x = 29,325.78 × 7,868.28
  4. Step 4: Simplify right side
    19,546.86x = 230,743,448.26
  5. Step 5: Solve for x
    x = 230,743,448.26/19,546.86
  6. Step 6: Final answer
    x = 11,804.63

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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.