Home / 18,949.87-26,149.39-10,564.75

Finding the Fourth Proportional to 18,949.87, 26,149.39 and 10,564.75

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Solution

The fourth proportional to 18,949.87, 26,149.39 and 10,564.75 is: 14,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.87 : 26,149.39 = 10,564.75 : x
  2. Step 2: Convert to fraction form
    18,949.87/26,149.39 = 10,564.75/x
  3. Step 3: Cross multiply
    18,949.87x = 26,149.39 × 10,564.75
  4. Step 4: Simplify right side
    18,949.87x = 276,261,768.00
  5. Step 5: Solve for x
    x = 276,261,768.00/18,949.87
  6. Step 6: Final answer
    x = 14,578.56

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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.