Home / 19,072.14-28,608.21-15,558.36

Finding the Fourth Proportional to 19,072.14, 28,608.21 and 15,558.36

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Solution

The fourth proportional to 19,072.14, 28,608.21 and 15,558.36 is: 23,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.14 : 28,608.21 = 15,558.36 : x
  2. Step 2: Convert to fraction form
    19,072.14/28,608.21 = 15,558.36/x
  3. Step 3: Cross multiply
    19,072.14x = 28,608.21 × 15,558.36
  4. Step 4: Simplify right side
    19,072.14x = 445,096,830.14
  5. Step 5: Solve for x
    x = 445,096,830.14/19,072.14
  6. Step 6: Final answer
    x = 23,337.54

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Similar ratio
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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.