Home / 13,556.46-20,305.07-5,634.96

Finding the Fourth Proportional to 13,556.46, 20,305.07 and 5,634.96

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Solution

The fourth proportional to 13,556.46, 20,305.07 and 5,634.96 is: 8,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.46 : 20,305.07 = 5,634.96 : x
  2. Step 2: Convert to fraction form
    13,556.46/20,305.07 = 5,634.96/x
  3. Step 3: Cross multiply
    13,556.46x = 20,305.07 × 5,634.96
  4. Step 4: Simplify right side
    13,556.46x = 114,418,257.25
  5. Step 5: Solve for x
    x = 114,418,257.25/13,556.46
  6. Step 6: Final answer
    x = 8,440.13

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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.