Home / 45,015.85-67,532.00-15,436.68

Finding the Fourth Proportional to 45,015.85, 67,532.00 and 15,436.68

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Solution

The fourth proportional to 45,015.85, 67,532.00 and 15,436.68 is: 23,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.85 : 67,532.00 = 15,436.68 : x
  2. Step 2: Convert to fraction form
    45,015.85/67,532.00 = 15,436.68/x
  3. Step 3: Cross multiply
    45,015.85x = 67,532.00 × 15,436.68
  4. Step 4: Simplify right side
    45,015.85x = 1,042,469,543.33
  5. Step 5: Solve for x
    x = 1,042,469,543.33/45,015.85
  6. Step 6: Final answer
    x = 23,157.83

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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.