Home / 16,105.78-22,226.21-12,065.45

Finding the Fourth Proportional to 16,105.78, 22,226.21 and 12,065.45

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Solution

The fourth proportional to 16,105.78, 22,226.21 and 12,065.45 is: 16,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.78 : 22,226.21 = 12,065.45 : x
  2. Step 2: Convert to fraction form
    16,105.78/22,226.21 = 12,065.45/x
  3. Step 3: Cross multiply
    16,105.78x = 22,226.21 × 12,065.45
  4. Step 4: Simplify right side
    16,105.78x = 268,169,099.23
  5. Step 5: Solve for x
    x = 268,169,099.23/16,105.78
  6. Step 6: Final answer
    x = 16,650.49

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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.