Home / 33,015.09-45,544.07-20,895.11

Finding the Fourth Proportional to 33,015.09, 45,544.07 and 20,895.11

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Solution

The fourth proportional to 33,015.09, 45,544.07 and 20,895.11 is: 28,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.09 : 45,544.07 = 20,895.11 : x
  2. Step 2: Convert to fraction form
    33,015.09/45,544.07 = 20,895.11/x
  3. Step 3: Cross multiply
    33,015.09x = 45,544.07 × 20,895.11
  4. Step 4: Simplify right side
    33,015.09x = 951,648,603.99
  5. Step 5: Solve for x
    x = 951,648,603.99/33,015.09
  6. Step 6: Final answer
    x = 28,824.65

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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.