Home / 22,016.81-30,383.29-11,945.32

Finding the Fourth Proportional to 22,016.81, 30,383.29 and 11,945.32

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Solution

The fourth proportional to 22,016.81, 30,383.29 and 11,945.32 is: 16,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.81 : 30,383.29 = 11,945.32 : x
  2. Step 2: Convert to fraction form
    22,016.81/30,383.29 = 11,945.32/x
  3. Step 3: Cross multiply
    22,016.81x = 30,383.29 × 11,945.32
  4. Step 4: Simplify right side
    22,016.81x = 362,938,164.39
  5. Step 5: Solve for x
    x = 362,938,164.39/22,016.81
  6. Step 6: Final answer
    x = 16,484.59

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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.