Home / 23,285.15-34,958.70-12,200.70

Finding the Fourth Proportional to 23,285.15, 34,958.70 and 12,200.70

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Solution

The fourth proportional to 23,285.15, 34,958.70 and 12,200.70 is: 18,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,285.15 : 34,958.70 = 12,200.70 : x
  2. Step 2: Convert to fraction form
    23,285.15/34,958.70 = 12,200.70/x
  3. Step 3: Cross multiply
    23,285.15x = 34,958.70 × 12,200.70
  4. Step 4: Simplify right side
    23,285.15x = 426,520,611.09
  5. Step 5: Solve for x
    x = 426,520,611.09/23,285.15
  6. Step 6: Final answer
    x = 18,317.28

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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.