Home / 24,811.79-37,213.78-20,621.95

Finding the Fourth Proportional to 24,811.79, 37,213.78 and 20,621.95

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Solution

The fourth proportional to 24,811.79, 37,213.78 and 20,621.95 is: 30,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,811.79 : 37,213.78 = 20,621.95 : x
  2. Step 2: Convert to fraction form
    24,811.79/37,213.78 = 20,621.95/x
  3. Step 3: Cross multiply
    24,811.79x = 37,213.78 × 20,621.95
  4. Step 4: Simplify right side
    24,811.79x = 767,420,611.03
  5. Step 5: Solve for x
    x = 767,420,611.03/24,811.79
  6. Step 6: Final answer
    x = 30,929.67

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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.