Home / 16,107.76-24,160.56-4,420

Finding the Fourth Proportional to 16,107.76, 24,160.56 and 4,420

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Solution

The fourth proportional to 16,107.76, 24,160.56 and 4,420 is: 6,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.76 : 24,160.56 = 4,420 : x
  2. Step 2: Convert to fraction form
    16,107.76/24,160.56 = 4,420/x
  3. Step 3: Cross multiply
    16,107.76x = 24,160.56 × 4,420
  4. Step 4: Simplify right side
    16,107.76x = 106,789,675.20
  5. Step 5: Solve for x
    x = 106,789,675.20/16,107.76
  6. Step 6: Final answer
    x = 6,629.70

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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.