Home / 17,947.32-24,749.94-11,979.24

Finding the Fourth Proportional to 17,947.32, 24,749.94 and 11,979.24

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Solution

The fourth proportional to 17,947.32, 24,749.94 and 11,979.24 is: 16,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.32 : 24,749.94 = 11,979.24 : x
  2. Step 2: Convert to fraction form
    17,947.32/24,749.94 = 11,979.24/x
  3. Step 3: Cross multiply
    17,947.32x = 24,749.94 × 11,979.24
  4. Step 4: Simplify right side
    17,947.32x = 296,485,471.25
  5. Step 5: Solve for x
    x = 296,485,471.25/17,947.32
  6. Step 6: Final answer
    x = 16,519.76

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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.