Home / 22,406.07-33,629.86-11,320.57

Finding the Fourth Proportional to 22,406.07, 33,629.86 and 11,320.57

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Solution

The fourth proportional to 22,406.07, 33,629.86 and 11,320.57 is: 16,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406.07 : 33,629.86 = 11,320.57 : x
  2. Step 2: Convert to fraction form
    22,406.07/33,629.86 = 11,320.57/x
  3. Step 3: Cross multiply
    22,406.07x = 33,629.86 × 11,320.57
  4. Step 4: Simplify right side
    22,406.07x = 380,709,184.22
  5. Step 5: Solve for x
    x = 380,709,184.22/22,406.07
  6. Step 6: Final answer
    x = 16,991.34

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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.