Home / 22,036.97-30,410.83-11,965.21

Finding the Fourth Proportional to 22,036.97, 30,410.83 and 11,965.21

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Solution

The fourth proportional to 22,036.97, 30,410.83 and 11,965.21 is: 16,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.97 : 30,410.83 = 11,965.21 : x
  2. Step 2: Convert to fraction form
    22,036.97/30,410.83 = 11,965.21/x
  3. Step 3: Cross multiply
    22,036.97x = 30,410.83 × 11,965.21
  4. Step 4: Simplify right side
    22,036.97x = 363,871,967.22
  5. Step 5: Solve for x
    x = 363,871,967.22/22,036.97
  6. Step 6: Final answer
    x = 16,511.89

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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.