Home / 13,723.63-18,940.37-8,060.51

Finding the Fourth Proportional to 13,723.63, 18,940.37 and 8,060.51

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Solution

The fourth proportional to 13,723.63, 18,940.37 and 8,060.51 is: 11,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.63 : 18,940.37 = 8,060.51 : x
  2. Step 2: Convert to fraction form
    13,723.63/18,940.37 = 8,060.51/x
  3. Step 3: Cross multiply
    13,723.63x = 18,940.37 × 8,060.51
  4. Step 4: Simplify right side
    13,723.63x = 152,669,048.84
  5. Step 5: Solve for x
    x = 152,669,048.84/13,723.63
  6. Step 6: Final answer
    x = 11,124.54

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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.