Home / 33,227.09-45,854.48-18,120.57

Finding the Fourth Proportional to 33,227.09, 45,854.48 and 18,120.57

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Solution

The fourth proportional to 33,227.09, 45,854.48 and 18,120.57 is: 25,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,227.09 : 45,854.48 = 18,120.57 : x
  2. Step 2: Convert to fraction form
    33,227.09/45,854.48 = 18,120.57/x
  3. Step 3: Cross multiply
    33,227.09x = 45,854.48 × 18,120.57
  4. Step 4: Simplify right side
    33,227.09x = 830,909,314.65
  5. Step 5: Solve for x
    x = 830,909,314.65/33,227.09
  6. Step 6: Final answer
    x = 25,006.99

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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.