Home / 33,065.70-45,629.76-18,917.63

Finding the Fourth Proportional to 33,065.70, 45,629.76 and 18,917.63

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Solution

The fourth proportional to 33,065.70, 45,629.76 and 18,917.63 is: 26,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.70 : 45,629.76 = 18,917.63 : x
  2. Step 2: Convert to fraction form
    33,065.70/45,629.76 = 18,917.63/x
  3. Step 3: Cross multiply
    33,065.70x = 45,629.76 × 18,917.63
  4. Step 4: Simplify right side
    33,065.70x = 863,206,916.67
  5. Step 5: Solve for x
    x = 863,206,916.67/33,065.70
  6. Step 6: Final answer
    x = 26,105.81

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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.