Home / 33,815.76-46,662.12-19,669.20

Finding the Fourth Proportional to 33,815.76, 46,662.12 and 19,669.20

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Solution

The fourth proportional to 33,815.76, 46,662.12 and 19,669.20 is: 27,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.76 : 46,662.12 = 19,669.20 : x
  2. Step 2: Convert to fraction form
    33,815.76/46,662.12 = 19,669.20/x
  3. Step 3: Cross multiply
    33,815.76x = 46,662.12 × 19,669.20
  4. Step 4: Simplify right side
    33,815.76x = 917,806,570.70
  5. Step 5: Solve for x
    x = 917,806,570.70/33,815.76
  6. Step 6: Final answer
    x = 27,141.39

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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.