Home / 33,528.26-46,269.80-18,420.78

Finding the Fourth Proportional to 33,528.26, 46,269.80 and 18,420.78

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Solution

The fourth proportional to 33,528.26, 46,269.80 and 18,420.78 is: 25,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,528.26 : 46,269.80 = 18,420.78 : x
  2. Step 2: Convert to fraction form
    33,528.26/46,269.80 = 18,420.78/x
  3. Step 3: Cross multiply
    33,528.26x = 46,269.80 × 18,420.78
  4. Step 4: Simplify right side
    33,528.26x = 852,325,806.44
  5. Step 5: Solve for x
    x = 852,325,806.44/33,528.26
  6. Step 6: Final answer
    x = 25,421.12

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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.