Home / 33,795.51-46,638.11-18,689.20

Finding the Fourth Proportional to 33,795.51, 46,638.11 and 18,689.20

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Solution

The fourth proportional to 33,795.51, 46,638.11 and 18,689.20 is: 25,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,795.51 : 46,638.11 = 18,689.20 : x
  2. Step 2: Convert to fraction form
    33,795.51/46,638.11 = 18,689.20/x
  3. Step 3: Cross multiply
    33,795.51x = 46,638.11 × 18,689.20
  4. Step 4: Simplify right side
    33,795.51x = 871,628,895.54
  5. Step 5: Solve for x
    x = 871,628,895.54/33,795.51
  6. Step 6: Final answer
    x = 25,791.26

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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.