Home / 26,940.49-40,385.79-13,763.80

Finding the Fourth Proportional to 26,940.49, 40,385.79 and 13,763.80

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Solution

The fourth proportional to 26,940.49, 40,385.79 and 13,763.80 is: 20,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.49 : 40,385.79 = 13,763.80 : x
  2. Step 2: Convert to fraction form
    26,940.49/40,385.79 = 13,763.80/x
  3. Step 3: Cross multiply
    26,940.49x = 40,385.79 × 13,763.80
  4. Step 4: Simplify right side
    26,940.49x = 555,861,936.40
  5. Step 5: Solve for x
    x = 555,861,936.40/26,940.49
  6. Step 6: Final answer
    x = 20,632.96

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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.