Home / 13,982.90-19,297.88-8,016.49

Finding the Fourth Proportional to 13,982.90, 19,297.88 and 8,016.49

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Solution

The fourth proportional to 13,982.90, 19,297.88 and 8,016.49 is: 11,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.90 : 19,297.88 = 8,016.49 : x
  2. Step 2: Convert to fraction form
    13,982.90/19,297.88 = 8,016.49/x
  3. Step 3: Cross multiply
    13,982.90x = 19,297.88 × 8,016.49
  4. Step 4: Simplify right side
    13,982.90x = 154,701,364.24
  5. Step 5: Solve for x
    x = 154,701,364.24/13,982.90
  6. Step 6: Final answer
    x = 11,063.61

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1.5x scale

Why These Related Problems?

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