Home / 13,733.37-18,951.96-7,766.22

Finding the Fourth Proportional to 13,733.37, 18,951.96 and 7,766.22

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Solution

The fourth proportional to 13,733.37, 18,951.96 and 7,766.22 is: 10,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.37 : 18,951.96 = 7,766.22 : x
  2. Step 2: Convert to fraction form
    13,733.37/18,951.96 = 7,766.22/x
  3. Step 3: Cross multiply
    13,733.37x = 18,951.96 × 7,766.22
  4. Step 4: Simplify right side
    13,733.37x = 147,185,090.79
  5. Step 5: Solve for x
    x = 147,185,090.79/13,733.37
  6. Step 6: Final answer
    x = 10,717.33

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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.