Home / 16,012.55-22,098.30-8,939.45

Finding the Fourth Proportional to 16,012.55, 22,098.30 and 8,939.45

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Solution

The fourth proportional to 16,012.55, 22,098.30 and 8,939.45 is: 12,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.55 : 22,098.30 = 8,939.45 : x
  2. Step 2: Convert to fraction form
    16,012.55/22,098.30 = 8,939.45/x
  3. Step 3: Cross multiply
    16,012.55x = 22,098.30 × 8,939.45
  4. Step 4: Simplify right side
    16,012.55x = 197,546,647.94
  5. Step 5: Solve for x
    x = 197,546,647.94/16,012.55
  6. Step 6: Final answer
    x = 12,336.99

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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.