Home / 16,071.75-22,179.02-8,999.24

Finding the Fourth Proportional to 16,071.75, 22,179.02 and 8,999.24

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Solution

The fourth proportional to 16,071.75, 22,179.02 and 8,999.24 is: 12,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.75 : 22,179.02 = 8,999.24 : x
  2. Step 2: Convert to fraction form
    16,071.75/22,179.02 = 8,999.24/x
  3. Step 3: Cross multiply
    16,071.75x = 22,179.02 × 8,999.24
  4. Step 4: Simplify right side
    16,071.75x = 199,594,168.05
  5. Step 5: Solve for x
    x = 199,594,168.05/16,071.75
  6. Step 6: Final answer
    x = 12,418.94

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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.