Home / 16,777.72-25,163.34-6,387.04

Finding the Fourth Proportional to 16,777.72, 25,163.34 and 6,387.04

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Solution

The fourth proportional to 16,777.72, 25,163.34 and 6,387.04 is: 9,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.72 : 25,163.34 = 6,387.04 : x
  2. Step 2: Convert to fraction form
    16,777.72/25,163.34 = 6,387.04/x
  3. Step 3: Cross multiply
    16,777.72x = 25,163.34 × 6,387.04
  4. Step 4: Simplify right side
    16,777.72x = 160,719,259.11
  5. Step 5: Solve for x
    x = 160,719,259.11/16,777.72
  6. Step 6: Final answer
    x = 9,579.33

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1.5x scale

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.