Home / 33,789.15-46,628.73-18,682.20

Finding the Fourth Proportional to 33,789.15, 46,628.73 and 18,682.20

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Solution

The fourth proportional to 33,789.15, 46,628.73 and 18,682.20 is: 25,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.15 : 46,628.73 = 18,682.20 : x
  2. Step 2: Convert to fraction form
    33,789.15/46,628.73 = 18,682.20/x
  3. Step 3: Cross multiply
    33,789.15x = 46,628.73 × 18,682.20
  4. Step 4: Simplify right side
    33,789.15x = 871,127,259.61
  5. Step 5: Solve for x
    x = 871,127,259.61/33,789.15
  6. Step 6: Final answer
    x = 25,781.27

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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.