Home / 17,320.22-25,899.22-12,374.56

Finding the Fourth Proportional to 17,320.22, 25,899.22 and 12,374.56

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Solution

The fourth proportional to 17,320.22, 25,899.22 and 12,374.56 is: 18,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.22 : 25,899.22 = 12,374.56 : x
  2. Step 2: Convert to fraction form
    17,320.22/25,899.22 = 12,374.56/x
  3. Step 3: Cross multiply
    17,320.22x = 25,899.22 × 12,374.56
  4. Step 4: Simplify right side
    17,320.22x = 320,491,451.84
  5. Step 5: Solve for x
    x = 320,491,451.84/17,320.22
  6. Step 6: Final answer
    x = 18,503.89

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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.