Home / 33,815.12-46,664.32-18,707.51

Finding the Fourth Proportional to 33,815.12, 46,664.32 and 18,707.51

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Solution

The fourth proportional to 33,815.12, 46,664.32 and 18,707.51 is: 25,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.12 : 46,664.32 = 18,707.51 : x
  2. Step 2: Convert to fraction form
    33,815.12/46,664.32 = 18,707.51/x
  3. Step 3: Cross multiply
    33,815.12x = 46,664.32 × 18,707.51
  4. Step 4: Simplify right side
    33,815.12x = 872,972,996.60
  5. Step 5: Solve for x
    x = 872,972,996.60/33,815.12
  6. Step 6: Final answer
    x = 25,816.05

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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.