Home / 16,072.94-22,180.44-8,999.36

Finding the Fourth Proportional to 16,072.94, 22,180.44 and 8,999.36

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Solution

The fourth proportional to 16,072.94, 22,180.44 and 8,999.36 is: 12,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.94 : 22,180.44 = 8,999.36 : x
  2. Step 2: Convert to fraction form
    16,072.94/22,180.44 = 8,999.36/x
  3. Step 3: Cross multiply
    16,072.94x = 22,180.44 × 8,999.36
  4. Step 4: Simplify right side
    16,072.94x = 199,609,764.52
  5. Step 5: Solve for x
    x = 199,609,764.52/16,072.94
  6. Step 6: Final answer
    x = 12,419.00

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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.