Home / 22,316.90-30,797.39-12,245.77

Finding the Fourth Proportional to 22,316.90, 30,797.39 and 12,245.77

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Solution

The fourth proportional to 22,316.90, 30,797.39 and 12,245.77 is: 16,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.90 : 30,797.39 = 12,245.77 : x
  2. Step 2: Convert to fraction form
    22,316.90/30,797.39 = 12,245.77/x
  3. Step 3: Cross multiply
    22,316.90x = 30,797.39 × 12,245.77
  4. Step 4: Simplify right side
    22,316.90x = 377,137,539.32
  5. Step 5: Solve for x
    x = 377,137,539.32/22,316.90
  6. Step 6: Final answer
    x = 16,899.19

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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.