Home / 45,285.48-67,922.96-12,007.85

Finding the Fourth Proportional to 45,285.48, 67,922.96 and 12,007.85

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Solution

The fourth proportional to 45,285.48, 67,922.96 and 12,007.85 is: 18,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.48 : 67,922.96 = 12,007.85 : x
  2. Step 2: Convert to fraction form
    45,285.48/67,922.96 = 12,007.85/x
  3. Step 3: Cross multiply
    45,285.48x = 67,922.96 × 12,007.85
  4. Step 4: Simplify right side
    45,285.48x = 815,608,315.58
  5. Step 5: Solve for x
    x = 815,608,315.58/45,285.48
  6. Step 6: Final answer
    x = 18,010.37

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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.