Home / 16,280.75-24,416.26-6,920.72

Finding the Fourth Proportional to 16,280.75, 24,416.26 and 6,920.72

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Solution

The fourth proportional to 16,280.75, 24,416.26 and 6,920.72 is: 10,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.75 : 24,416.26 = 6,920.72 : x
  2. Step 2: Convert to fraction form
    16,280.75/24,416.26 = 6,920.72/x
  3. Step 3: Cross multiply
    16,280.75x = 24,416.26 × 6,920.72
  4. Step 4: Simplify right side
    16,280.75x = 168,978,142.65
  5. Step 5: Solve for x
    x = 168,978,142.65/16,280.75
  6. Step 6: Final answer
    x = 10,379.02

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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.