Home / 18,746.08-28,091.36-8,206.36

Finding the Fourth Proportional to 18,746.08, 28,091.36 and 8,206.36

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Solution

The fourth proportional to 18,746.08, 28,091.36 and 8,206.36 is: 12,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.08 : 28,091.36 = 8,206.36 : x
  2. Step 2: Convert to fraction form
    18,746.08/28,091.36 = 8,206.36/x
  3. Step 3: Cross multiply
    18,746.08x = 28,091.36 × 8,206.36
  4. Step 4: Simplify right side
    18,746.08x = 230,527,813.05
  5. Step 5: Solve for x
    x = 230,527,813.05/18,746.08
  6. Step 6: Final answer
    x = 12,297.39

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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.