Home / 36,556.80-54,840.96-13,188.96

Finding the Fourth Proportional to 36,556.80, 54,840.96 and 13,188.96

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Solution

The fourth proportional to 36,556.80, 54,840.96 and 13,188.96 is: 19,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.80 : 54,840.96 = 13,188.96 : x
  2. Step 2: Convert to fraction form
    36,556.80/54,840.96 = 13,188.96/x
  3. Step 3: Cross multiply
    36,556.80x = 54,840.96 × 13,188.96
  4. Step 4: Simplify right side
    36,556.80x = 723,295,227.80
  5. Step 5: Solve for x
    x = 723,295,227.80/36,556.80
  6. Step 6: Final answer
    x = 19,785.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.