Home / 19,321.72-28,968.38-6,166.52

Finding the Fourth Proportional to 19,321.72, 28,968.38 and 6,166.52

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Solution

The fourth proportional to 19,321.72, 28,968.38 and 6,166.52 is: 9,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.72 : 28,968.38 = 6,166.52 : x
  2. Step 2: Convert to fraction form
    19,321.72/28,968.38 = 6,166.52/x
  3. Step 3: Cross multiply
    19,321.72x = 28,968.38 × 6,166.52
  4. Step 4: Simplify right side
    19,321.72x = 178,634,094.64
  5. Step 5: Solve for x
    x = 178,634,094.64/19,321.72
  6. Step 6: Final answer
    x = 9,245.25

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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.