Home / 45,101.44-67,633.11-13,515.99

Finding the Fourth Proportional to 45,101.44, 67,633.11 and 13,515.99

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Solution

The fourth proportional to 45,101.44, 67,633.11 and 13,515.99 is: 20,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.44 : 67,633.11 = 13,515.99 : x
  2. Step 2: Convert to fraction form
    45,101.44/67,633.11 = 13,515.99/x
  3. Step 3: Cross multiply
    45,101.44x = 67,633.11 × 13,515.99
  4. Step 4: Simplify right side
    45,101.44x = 914,128,438.43
  5. Step 5: Solve for x
    x = 914,128,438.43/45,101.44
  6. Step 6: Final answer
    x = 20,268.28

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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.