Home / 33,182.80-45,791.76-18,278.80

Finding the Fourth Proportional to 33,182.80, 45,791.76 and 18,278.80

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Solution

The fourth proportional to 33,182.80, 45,791.76 and 18,278.80 is: 25,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.80 : 45,791.76 = 18,278.80 : x
  2. Step 2: Convert to fraction form
    33,182.80/45,791.76 = 18,278.80/x
  3. Step 3: Cross multiply
    33,182.80x = 45,791.76 × 18,278.80
  4. Step 4: Simplify right side
    33,182.80x = 837,018,422.69
  5. Step 5: Solve for x
    x = 837,018,422.69/33,182.80
  6. Step 6: Final answer
    x = 25,224.47

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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.