Home / 16,129.36-24,186.24-6,766.72

Finding the Fourth Proportional to 16,129.36, 24,186.24 and 6,766.72

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Solution

The fourth proportional to 16,129.36, 24,186.24 and 6,766.72 is: 10,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.36 : 24,186.24 = 6,766.72 : x
  2. Step 2: Convert to fraction form
    16,129.36/24,186.24 = 6,766.72/x
  3. Step 3: Cross multiply
    16,129.36x = 24,186.24 × 6,766.72
  4. Step 4: Simplify right side
    16,129.36x = 163,661,513.93
  5. Step 5: Solve for x
    x = 163,661,513.93/16,129.36
  6. Step 6: Final answer
    x = 10,146.81

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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.