Home / 20,497.99-28,294.31-12,002.85

Finding the Fourth Proportional to 20,497.99, 28,294.31 and 12,002.85

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Solution

The fourth proportional to 20,497.99, 28,294.31 and 12,002.85 is: 16,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.99 : 28,294.31 = 12,002.85 : x
  2. Step 2: Convert to fraction form
    20,497.99/28,294.31 = 12,002.85/x
  3. Step 3: Cross multiply
    20,497.99x = 28,294.31 × 12,002.85
  4. Step 4: Simplify right side
    20,497.99x = 339,612,358.78
  5. Step 5: Solve for x
    x = 339,612,358.78/20,497.99
  6. Step 6: Final answer
    x = 16,568.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.