Home / 33,828.89-46,686.20-18,722.18

Finding the Fourth Proportional to 33,828.89, 46,686.20 and 18,722.18

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Solution

The fourth proportional to 33,828.89, 46,686.20 and 18,722.18 is: 25,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.89 : 46,686.20 = 18,722.18 : x
  2. Step 2: Convert to fraction form
    33,828.89/46,686.20 = 18,722.18/x
  3. Step 3: Cross multiply
    33,828.89x = 46,686.20 × 18,722.18
  4. Step 4: Simplify right side
    33,828.89x = 874,067,112.87
  5. Step 5: Solve for x
    x = 874,067,112.87/33,828.89
  6. Step 6: Final answer
    x = 25,837.89

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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.