Home / 16,848.20-25,272.30-8,078.60

Finding the Fourth Proportional to 16,848.20, 25,272.30 and 8,078.60

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Solution

The fourth proportional to 16,848.20, 25,272.30 and 8,078.60 is: 12,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848.20 : 25,272.30 = 8,078.60 : x
  2. Step 2: Convert to fraction form
    16,848.20/25,272.30 = 8,078.60/x
  3. Step 3: Cross multiply
    16,848.20x = 25,272.30 × 8,078.60
  4. Step 4: Simplify right side
    16,848.20x = 204,164,802.78
  5. Step 5: Solve for x
    x = 204,164,802.78/16,848.20
  6. Step 6: Final answer
    x = 12,117.90

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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.