Home / 19,223.77-28,836.80-5,372.77

Finding the Fourth Proportional to 19,223.77, 28,836.80 and 5,372.77

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Solution

The fourth proportional to 19,223.77, 28,836.80 and 5,372.77 is: 8,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.77 : 28,836.80 = 5,372.77 : x
  2. Step 2: Convert to fraction form
    19,223.77/28,836.80 = 5,372.77/x
  3. Step 3: Cross multiply
    19,223.77x = 28,836.80 × 5,372.77
  4. Step 4: Simplify right side
    19,223.77x = 154,933,493.94
  5. Step 5: Solve for x
    x = 154,933,493.94/19,223.77
  6. Step 6: Final answer
    x = 8,059.48

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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.