Home / 16,702.89-25,020.32-7,911.15

Finding the Fourth Proportional to 16,702.89, 25,020.32 and 7,911.15

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Solution

The fourth proportional to 16,702.89, 25,020.32 and 7,911.15 is: 11,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.89 : 25,020.32 = 7,911.15 : x
  2. Step 2: Convert to fraction form
    16,702.89/25,020.32 = 7,911.15/x
  3. Step 3: Cross multiply
    16,702.89x = 25,020.32 × 7,911.15
  4. Step 4: Simplify right side
    16,702.89x = 197,939,465.01
  5. Step 5: Solve for x
    x = 197,939,465.01/16,702.89
  6. Step 6: Final answer
    x = 11,850.61

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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.