Home / 14,984.87-20,680.95-8,611.46

Finding the Fourth Proportional to 14,984.87, 20,680.95 and 8,611.46

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Solution

The fourth proportional to 14,984.87, 20,680.95 and 8,611.46 is: 11,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.87 : 20,680.95 = 8,611.46 : x
  2. Step 2: Convert to fraction form
    14,984.87/20,680.95 = 8,611.46/x
  3. Step 3: Cross multiply
    14,984.87x = 20,680.95 × 8,611.46
  4. Step 4: Simplify right side
    14,984.87x = 178,093,173.69
  5. Step 5: Solve for x
    x = 178,093,173.69/14,984.87
  6. Step 6: Final answer
    x = 11,884.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.