Home / 18,941.11-26,138.57-10,327.30

Finding the Fourth Proportional to 18,941.11, 26,138.57 and 10,327.30

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Solution

The fourth proportional to 18,941.11, 26,138.57 and 10,327.30 is: 14,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.11 : 26,138.57 = 10,327.30 : x
  2. Step 2: Convert to fraction form
    18,941.11/26,138.57 = 10,327.30/x
  3. Step 3: Cross multiply
    18,941.11x = 26,138.57 × 10,327.30
  4. Step 4: Simplify right side
    18,941.11x = 269,940,736.98
  5. Step 5: Solve for x
    x = 269,940,736.98/18,941.11
  6. Step 6: Final answer
    x = 14,251.58

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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.