Home / 22,540.50-33,770.66-19,219.91

Finding the Fourth Proportional to 22,540.50, 33,770.66 and 19,219.91

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Solution

The fourth proportional to 22,540.50, 33,770.66 and 19,219.91 is: 28,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.50 : 33,770.66 = 19,219.91 : x
  2. Step 2: Convert to fraction form
    22,540.50/33,770.66 = 19,219.91/x
  3. Step 3: Cross multiply
    22,540.50x = 33,770.66 × 19,219.91
  4. Step 4: Simplify right side
    22,540.50x = 649,068,780.89
  5. Step 5: Solve for x
    x = 649,068,780.89/22,540.50
  6. Step 6: Final answer
    x = 28,795.67

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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.