Home / 27,186.20-40,783.06-8,467.58

Finding the Fourth Proportional to 27,186.20, 40,783.06 and 8,467.58

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Solution

The fourth proportional to 27,186.20, 40,783.06 and 8,467.58 is: 12,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.20 : 40,783.06 = 8,467.58 : x
  2. Step 2: Convert to fraction form
    27,186.20/40,783.06 = 8,467.58/x
  3. Step 3: Cross multiply
    27,186.20x = 40,783.06 × 8,467.58
  4. Step 4: Simplify right side
    27,186.20x = 345,333,823.19
  5. Step 5: Solve for x
    x = 345,333,823.19/27,186.20
  6. Step 6: Final answer
    x = 12,702.54

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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.