Home / 18,336.24-25,295.87-11,961.36

Finding the Fourth Proportional to 18,336.24, 25,295.87 and 11,961.36

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Solution

The fourth proportional to 18,336.24, 25,295.87 and 11,961.36 is: 16,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.24 : 25,295.87 = 11,961.36 : x
  2. Step 2: Convert to fraction form
    18,336.24/25,295.87 = 11,961.36/x
  3. Step 3: Cross multiply
    18,336.24x = 25,295.87 × 11,961.36
  4. Step 4: Simplify right side
    18,336.24x = 302,572,947.78
  5. Step 5: Solve for x
    x = 302,572,947.78/18,336.24
  6. Step 6: Final answer
    x = 16,501.37

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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.