Home / 13,451.36-20,177.04-4,091.46

Finding the Fourth Proportional to 13,451.36, 20,177.04 and 4,091.46

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Solution

The fourth proportional to 13,451.36, 20,177.04 and 4,091.46 is: 6,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.36 : 20,177.04 = 4,091.46 : x
  2. Step 2: Convert to fraction form
    13,451.36/20,177.04 = 4,091.46/x
  3. Step 3: Cross multiply
    13,451.36x = 20,177.04 × 4,091.46
  4. Step 4: Simplify right side
    13,451.36x = 82,553,552.08
  5. Step 5: Solve for x
    x = 82,553,552.08/13,451.36
  6. Step 6: Final answer
    x = 6,137.19

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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.