Home / 26,674.31-39,998.61-12,622.70

Finding the Fourth Proportional to 26,674.31, 39,998.61 and 12,622.70

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Solution

The fourth proportional to 26,674.31, 39,998.61 and 12,622.70 is: 18,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.31 : 39,998.61 = 12,622.70 : x
  2. Step 2: Convert to fraction form
    26,674.31/39,998.61 = 12,622.70/x
  3. Step 3: Cross multiply
    26,674.31x = 39,998.61 × 12,622.70
  4. Step 4: Simplify right side
    26,674.31x = 504,890,254.45
  5. Step 5: Solve for x
    x = 504,890,254.45/26,674.31
  6. Step 6: Final answer
    x = 18,927.96

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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.