Home / 14,382.28-19,843.67-8,415.41

Finding the Fourth Proportional to 14,382.28, 19,843.67 and 8,415.41

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Solution

The fourth proportional to 14,382.28, 19,843.67 and 8,415.41 is: 11,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.28 : 19,843.67 = 8,415.41 : x
  2. Step 2: Convert to fraction form
    14,382.28/19,843.67 = 8,415.41/x
  3. Step 3: Cross multiply
    14,382.28x = 19,843.67 × 8,415.41
  4. Step 4: Simplify right side
    14,382.28x = 166,992,576.88
  5. Step 5: Solve for x
    x = 166,992,576.88/14,382.28
  6. Step 6: Final answer
    x = 11,611.00

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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.