Home / 33,541.12-46,279.68-18,636.80

Finding the Fourth Proportional to 33,541.12, 46,279.68 and 18,636.80

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Solution

The fourth proportional to 33,541.12, 46,279.68 and 18,636.80 is: 25,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,541.12 : 46,279.68 = 18,636.80 : x
  2. Step 2: Convert to fraction form
    33,541.12/46,279.68 = 18,636.80/x
  3. Step 3: Cross multiply
    33,541.12x = 46,279.68 × 18,636.80
  4. Step 4: Simplify right side
    33,541.12x = 862,505,140.22
  5. Step 5: Solve for x
    x = 862,505,140.22/33,541.12
  6. Step 6: Final answer
    x = 25,714.86

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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.