Home / 16,878.36-25,318.38-7,016.60

Finding the Fourth Proportional to 16,878.36, 25,318.38 and 7,016.60

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Solution

The fourth proportional to 16,878.36, 25,318.38 and 7,016.60 is: 10,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.36 : 25,318.38 = 7,016.60 : x
  2. Step 2: Convert to fraction form
    16,878.36/25,318.38 = 7,016.60/x
  3. Step 3: Cross multiply
    16,878.36x = 25,318.38 × 7,016.60
  4. Step 4: Simplify right side
    16,878.36x = 177,648,945.11
  5. Step 5: Solve for x
    x = 177,648,945.11/16,878.36
  6. Step 6: Final answer
    x = 10,525.25

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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.