Home / 15,885.36-23,827.60-4,198.68

Finding the Fourth Proportional to 15,885.36, 23,827.60 and 4,198.68

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Solution

The fourth proportional to 15,885.36, 23,827.60 and 4,198.68 is: 6,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.36 : 23,827.60 = 4,198.68 : x
  2. Step 2: Convert to fraction form
    15,885.36/23,827.60 = 4,198.68/x
  3. Step 3: Cross multiply
    15,885.36x = 23,827.60 × 4,198.68
  4. Step 4: Simplify right side
    15,885.36x = 100,044,467.57
  5. Step 5: Solve for x
    x = 100,044,467.57/15,885.36
  6. Step 6: Final answer
    x = 6,297.90

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1.5x scale

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.