Home / 19,002.48-28,493.28-5,851.20

Finding the Fourth Proportional to 19,002.48, 28,493.28 and 5,851.20

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Solution

The fourth proportional to 19,002.48, 28,493.28 and 5,851.20 is: 8,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.48 : 28,493.28 = 5,851.20 : x
  2. Step 2: Convert to fraction form
    19,002.48/28,493.28 = 5,851.20/x
  3. Step 3: Cross multiply
    19,002.48x = 28,493.28 × 5,851.20
  4. Step 4: Simplify right side
    19,002.48x = 166,719,879.94
  5. Step 5: Solve for x
    x = 166,719,879.94/19,002.48
  6. Step 6: Final answer
    x = 8,773.59

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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.