Home / 16,728.15-25,070.34-6,855.87

Finding the Fourth Proportional to 16,728.15, 25,070.34 and 6,855.87

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Solution

The fourth proportional to 16,728.15, 25,070.34 and 6,855.87 is: 10,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.15 : 25,070.34 = 6,855.87 : x
  2. Step 2: Convert to fraction form
    16,728.15/25,070.34 = 6,855.87/x
  3. Step 3: Cross multiply
    16,728.15x = 25,070.34 × 6,855.87
  4. Step 4: Simplify right side
    16,728.15x = 171,878,991.90
  5. Step 5: Solve for x
    x = 171,878,991.90/16,728.15
  6. Step 6: Final answer
    x = 10,274.84

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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.