Home / 18,922.58-26,112.83-10,965.54

Finding the Fourth Proportional to 18,922.58, 26,112.83 and 10,965.54

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Solution

The fourth proportional to 18,922.58, 26,112.83 and 10,965.54 is: 15,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.58 : 26,112.83 = 10,965.54 : x
  2. Step 2: Convert to fraction form
    18,922.58/26,112.83 = 10,965.54/x
  3. Step 3: Cross multiply
    18,922.58x = 26,112.83 × 10,965.54
  4. Step 4: Simplify right side
    18,922.58x = 286,341,324.97
  5. Step 5: Solve for x
    x = 286,341,324.97/18,922.58
  6. Step 6: Final answer
    x = 15,132.26

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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.