Home / 14,899.44-20,561.04-8,611.68

Finding the Fourth Proportional to 14,899.44, 20,561.04 and 8,611.68

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Solution

The fourth proportional to 14,899.44, 20,561.04 and 8,611.68 is: 11,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.44 : 20,561.04 = 8,611.68 : x
  2. Step 2: Convert to fraction form
    14,899.44/20,561.04 = 8,611.68/x
  3. Step 3: Cross multiply
    14,899.44x = 20,561.04 × 8,611.68
  4. Step 4: Simplify right side
    14,899.44x = 177,065,096.95
  5. Step 5: Solve for x
    x = 177,065,096.95/14,899.44
  6. Step 6: Final answer
    x = 11,884.01

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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.