Home / 23,418.57-35,139.38-10,936.78

Finding the Fourth Proportional to 23,418.57, 35,139.38 and 10,936.78

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Solution

The fourth proportional to 23,418.57, 35,139.38 and 10,936.78 is: 16,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.57 : 35,139.38 = 10,936.78 : x
  2. Step 2: Convert to fraction form
    23,418.57/35,139.38 = 10,936.78/x
  3. Step 3: Cross multiply
    23,418.57x = 35,139.38 × 10,936.78
  4. Step 4: Simplify right side
    23,418.57x = 384,311,668.40
  5. Step 5: Solve for x
    x = 384,311,668.40/23,418.57
  6. Step 6: Final answer
    x = 16,410.55

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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.