Home / 33,085.67-45,647.25-18,744.11

Finding the Fourth Proportional to 33,085.67, 45,647.25 and 18,744.11

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Solution

The fourth proportional to 33,085.67, 45,647.25 and 18,744.11 is: 25,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.67 : 45,647.25 = 18,744.11 : x
  2. Step 2: Convert to fraction form
    33,085.67/45,647.25 = 18,744.11/x
  3. Step 3: Cross multiply
    33,085.67x = 45,647.25 × 18,744.11
  4. Step 4: Simplify right side
    33,085.67x = 855,616,947.85
  5. Step 5: Solve for x
    x = 855,616,947.85/33,085.67
  6. Step 6: Final answer
    x = 25,860.65

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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.