Home / 16,844.40-25,266.60-6,978.60

Finding the Fourth Proportional to 16,844.40, 25,266.60 and 6,978.60

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Solution

The fourth proportional to 16,844.40, 25,266.60 and 6,978.60 is: 10,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.40 : 25,266.60 = 6,978.60 : x
  2. Step 2: Convert to fraction form
    16,844.40/25,266.60 = 6,978.60/x
  3. Step 3: Cross multiply
    16,844.40x = 25,266.60 × 6,978.60
  4. Step 4: Simplify right side
    16,844.40x = 176,325,494.76
  5. Step 5: Solve for x
    x = 176,325,494.76/16,844.40
  6. Step 6: Final answer
    x = 10,467.90

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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.