Home / 15,613.62-23,420.46-3,926.85

Finding the Fourth Proportional to 15,613.62, 23,420.46 and 3,926.85

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Solution

The fourth proportional to 15,613.62, 23,420.46 and 3,926.85 is: 5,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.62 : 23,420.46 = 3,926.85 : x
  2. Step 2: Convert to fraction form
    15,613.62/23,420.46 = 3,926.85/x
  3. Step 3: Cross multiply
    15,613.62x = 23,420.46 × 3,926.85
  4. Step 4: Simplify right side
    15,613.62x = 91,968,633.35
  5. Step 5: Solve for x
    x = 91,968,633.35/15,613.62
  6. Step 6: Final answer
    x = 5,890.28

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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.