Home / 16,702.05-25,016.99-15,720.60

Finding the Fourth Proportional to 16,702.05, 25,016.99 and 15,720.60

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Solution

The fourth proportional to 16,702.05, 25,016.99 and 15,720.60 is: 23,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.05 : 25,016.99 = 15,720.60 : x
  2. Step 2: Convert to fraction form
    16,702.05/25,016.99 = 15,720.60/x
  3. Step 3: Cross multiply
    16,702.05x = 25,016.99 × 15,720.60
  4. Step 4: Simplify right side
    16,702.05x = 393,282,014.39
  5. Step 5: Solve for x
    x = 393,282,014.39/16,702.05
  6. Step 6: Final answer
    x = 23,546.93

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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.