Home / 16,112.82-22,236.08-9,039.76

Finding the Fourth Proportional to 16,112.82, 22,236.08 and 9,039.76

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Solution

The fourth proportional to 16,112.82, 22,236.08 and 9,039.76 is: 12,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.82 : 22,236.08 = 9,039.76 : x
  2. Step 2: Convert to fraction form
    16,112.82/22,236.08 = 9,039.76/x
  3. Step 3: Cross multiply
    16,112.82x = 22,236.08 × 9,039.76
  4. Step 4: Simplify right side
    16,112.82x = 201,008,826.54
  5. Step 5: Solve for x
    x = 201,008,826.54/16,112.82
  6. Step 6: Final answer
    x = 12,475.09

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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.