Home / 13,906.44-19,175.51-8,862.67

Finding the Fourth Proportional to 13,906.44, 19,175.51 and 8,862.67

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Solution

The fourth proportional to 13,906.44, 19,175.51 and 8,862.67 is: 12,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.44 : 19,175.51 = 8,862.67 : x
  2. Step 2: Convert to fraction form
    13,906.44/19,175.51 = 8,862.67/x
  3. Step 3: Cross multiply
    13,906.44x = 19,175.51 × 8,862.67
  4. Step 4: Simplify right side
    13,906.44x = 169,946,172.90
  5. Step 5: Solve for x
    x = 169,946,172.90/13,906.44
  6. Step 6: Final answer
    x = 12,220.69

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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.