Home / 12,226.86-18,336.51-4,433.76

Finding the Fourth Proportional to 12,226.86, 18,336.51 and 4,433.76

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Solution

The fourth proportional to 12,226.86, 18,336.51 and 4,433.76 is: 6,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.86 : 18,336.51 = 4,433.76 : x
  2. Step 2: Convert to fraction form
    12,226.86/18,336.51 = 4,433.76/x
  3. Step 3: Cross multiply
    12,226.86x = 18,336.51 × 4,433.76
  4. Step 4: Simplify right side
    12,226.86x = 81,299,684.58
  5. Step 5: Solve for x
    x = 81,299,684.58/12,226.86
  6. Step 6: Final answer
    x = 6,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.