Home / 16,830.20-25,229.30-6,297.40

Finding the Fourth Proportional to 16,830.20, 25,229.30 and 6,297.40

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Solution

The fourth proportional to 16,830.20, 25,229.30 and 6,297.40 is: 9,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.20 : 25,229.30 = 6,297.40 : x
  2. Step 2: Convert to fraction form
    16,830.20/25,229.30 = 6,297.40/x
  3. Step 3: Cross multiply
    16,830.20x = 25,229.30 × 6,297.40
  4. Step 4: Simplify right side
    16,830.20x = 158,878,993.82
  5. Step 5: Solve for x
    x = 158,878,993.82/16,830.20
  6. Step 6: Final answer
    x = 9,440.11

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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.