Home / 12,370.41-18,550.71-8,015.85

Finding the Fourth Proportional to 12,370.41, 18,550.71 and 8,015.85

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Solution

The fourth proportional to 12,370.41, 18,550.71 and 8,015.85 is: 12,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.41 : 18,550.71 = 8,015.85 : x
  2. Step 2: Convert to fraction form
    12,370.41/18,550.71 = 8,015.85/x
  3. Step 3: Cross multiply
    12,370.41x = 18,550.71 × 8,015.85
  4. Step 4: Simplify right side
    12,370.41x = 148,699,708.75
  5. Step 5: Solve for x
    x = 148,699,708.75/12,370.41
  6. Step 6: Final answer
    x = 12,020.60

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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.