Home / 13,891.44-19,173.60-11,649.84

Finding the Fourth Proportional to 13,891.44, 19,173.60 and 11,649.84

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Solution

The fourth proportional to 13,891.44, 19,173.60 and 11,649.84 is: 16,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.44 : 19,173.60 = 11,649.84 : x
  2. Step 2: Convert to fraction form
    13,891.44/19,173.60 = 11,649.84/x
  3. Step 3: Cross multiply
    13,891.44x = 19,173.60 × 11,649.84
  4. Step 4: Simplify right side
    13,891.44x = 223,369,372.22
  5. Step 5: Solve for x
    x = 223,369,372.22/13,891.44
  6. Step 6: Final answer
    x = 16,079.64

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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.