Home / 16,913.21-25,372.98-5,223.69

Finding the Fourth Proportional to 16,913.21, 25,372.98 and 5,223.69

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Solution

The fourth proportional to 16,913.21, 25,372.98 and 5,223.69 is: 7,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.21 : 25,372.98 = 5,223.69 : x
  2. Step 2: Convert to fraction form
    16,913.21/25,372.98 = 5,223.69/x
  3. Step 3: Cross multiply
    16,913.21x = 25,372.98 × 5,223.69
  4. Step 4: Simplify right side
    16,913.21x = 132,540,581.90
  5. Step 5: Solve for x
    x = 132,540,581.90/16,913.21
  6. Step 6: Final answer
    x = 7,836.51

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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.