Home / 14,806.36-20,433.14-8,091.88

Finding the Fourth Proportional to 14,806.36, 20,433.14 and 8,091.88

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Solution

The fourth proportional to 14,806.36, 20,433.14 and 8,091.88 is: 11,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.36 : 20,433.14 = 8,091.88 : x
  2. Step 2: Convert to fraction form
    14,806.36/20,433.14 = 8,091.88/x
  3. Step 3: Cross multiply
    14,806.36x = 20,433.14 × 8,091.88
  4. Step 4: Simplify right side
    14,806.36x = 165,342,516.90
  5. Step 5: Solve for x
    x = 165,342,516.90/14,806.36
  6. Step 6: Final answer
    x = 11,166.99

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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.