Home / 33,278-45,923.64-18,374.96

Finding the Fourth Proportional to 33,278, 45,923.64 and 18,374.96

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Solution

The fourth proportional to 33,278, 45,923.64 and 18,374.96 is: 25,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278 : 45,923.64 = 18,374.96 : x
  2. Step 2: Convert to fraction form
    33,278/45,923.64 = 18,374.96/x
  3. Step 3: Cross multiply
    33,278x = 45,923.64 × 18,374.96
  4. Step 4: Simplify right side
    33,278x = 843,845,048.05
  5. Step 5: Solve for x
    x = 843,845,048.05/33,278
  6. Step 6: Final answer
    x = 25,357.44

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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.