Home / 15,613.32-23,419.74-3,926.54

Finding the Fourth Proportional to 15,613.32, 23,419.74 and 3,926.54

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Solution

The fourth proportional to 15,613.32, 23,419.74 and 3,926.54 is: 5,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.32 : 23,419.74 = 3,926.54 : x
  2. Step 2: Convert to fraction form
    15,613.32/23,419.74 = 3,926.54/x
  3. Step 3: Cross multiply
    15,613.32x = 23,419.74 × 3,926.54
  4. Step 4: Simplify right side
    15,613.32x = 91,958,545.90
  5. Step 5: Solve for x
    x = 91,958,545.90/15,613.32
  6. Step 6: Final answer
    x = 5,889.75

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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.