Home / 12,364.50-18,500.25-8,673.93

Finding the Fourth Proportional to 12,364.50, 18,500.25 and 8,673.93

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Solution

The fourth proportional to 12,364.50, 18,500.25 and 8,673.93 is: 12,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.50 : 18,500.25 = 8,673.93 : x
  2. Step 2: Convert to fraction form
    12,364.50/18,500.25 = 8,673.93/x
  3. Step 3: Cross multiply
    12,364.50x = 18,500.25 × 8,673.93
  4. Step 4: Simplify right side
    12,364.50x = 160,469,873.48
  5. Step 5: Solve for x
    x = 160,469,873.48/12,364.50
  6. Step 6: Final answer
    x = 12,978.27

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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.