Home / 15,885.32-23,828.82-4,198.22

Finding the Fourth Proportional to 15,885.32, 23,828.82 and 4,198.22

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Solution

The fourth proportional to 15,885.32, 23,828.82 and 4,198.22 is: 6,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.32 : 23,828.82 = 4,198.22 : x
  2. Step 2: Convert to fraction form
    15,885.32/23,828.82 = 4,198.22/x
  3. Step 3: Cross multiply
    15,885.32x = 23,828.82 × 4,198.22
  4. Step 4: Simplify right side
    15,885.32x = 100,038,628.70
  5. Step 5: Solve for x
    x = 100,038,628.70/15,885.32
  6. Step 6: Final answer
    x = 6,297.55

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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.