Home / 16,739.42-25,108.43-6,878.43

Finding the Fourth Proportional to 16,739.42, 25,108.43 and 6,878.43

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Solution

The fourth proportional to 16,739.42, 25,108.43 and 6,878.43 is: 10,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.42 : 25,108.43 = 6,878.43 : x
  2. Step 2: Convert to fraction form
    16,739.42/25,108.43 = 6,878.43/x
  3. Step 3: Cross multiply
    16,739.42x = 25,108.43 × 6,878.43
  4. Step 4: Simplify right side
    16,739.42x = 172,706,543.77
  5. Step 5: Solve for x
    x = 172,706,543.77/16,739.42
  6. Step 6: Final answer
    x = 10,317.36

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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.