Home / 15,819.54-23,726.82-5,289.48

Finding the Fourth Proportional to 15,819.54, 23,726.82 and 5,289.48

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Solution

The fourth proportional to 15,819.54, 23,726.82 and 5,289.48 is: 7,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.54 : 23,726.82 = 5,289.48 : x
  2. Step 2: Convert to fraction form
    15,819.54/23,726.82 = 5,289.48/x
  3. Step 3: Cross multiply
    15,819.54x = 23,726.82 × 5,289.48
  4. Step 4: Simplify right side
    15,819.54x = 125,502,539.85
  5. Step 5: Solve for x
    x = 125,502,539.85/15,819.54
  6. Step 6: Final answer
    x = 7,933.39

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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.