Home / 13,076.58-19,615.68-4,311.54

Finding the Fourth Proportional to 13,076.58, 19,615.68 and 4,311.54

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Solution

The fourth proportional to 13,076.58, 19,615.68 and 4,311.54 is: 6,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.58 : 19,615.68 = 4,311.54 : x
  2. Step 2: Convert to fraction form
    13,076.58/19,615.68 = 4,311.54/x
  3. Step 3: Cross multiply
    13,076.58x = 19,615.68 × 4,311.54
  4. Step 4: Simplify right side
    13,076.58x = 84,573,788.95
  5. Step 5: Solve for x
    x = 84,573,788.95/13,076.58
  6. Step 6: Final answer
    x = 6,467.58

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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.