Home / 33,273.76-45,918-18,369.76

Finding the Fourth Proportional to 33,273.76, 45,918 and 18,369.76

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Solution

The fourth proportional to 33,273.76, 45,918 and 18,369.76 is: 25,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,273.76 : 45,918 = 18,369.76 : x
  2. Step 2: Convert to fraction form
    33,273.76/45,918 = 18,369.76/x
  3. Step 3: Cross multiply
    33,273.76x = 45,918 × 18,369.76
  4. Step 4: Simplify right side
    33,273.76x = 843,502,639.68
  5. Step 5: Solve for x
    x = 843,502,639.68/33,273.76
  6. Step 6: Final answer
    x = 25,350.39

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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.