Home / 22,579.86-33,865.24-7,790.28

Finding the Fourth Proportional to 22,579.86, 33,865.24 and 7,790.28

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Solution

The fourth proportional to 22,579.86, 33,865.24 and 7,790.28 is: 11,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.86 : 33,865.24 = 7,790.28 : x
  2. Step 2: Convert to fraction form
    22,579.86/33,865.24 = 7,790.28/x
  3. Step 3: Cross multiply
    22,579.86x = 33,865.24 × 7,790.28
  4. Step 4: Simplify right side
    22,579.86x = 263,819,570.00
  5. Step 5: Solve for x
    x = 263,819,570.00/22,579.86
  6. Step 6: Final answer
    x = 11,683.84

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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.