Home / 20,104.58-27,740.16-11,606.55

Finding the Fourth Proportional to 20,104.58, 27,740.16 and 11,606.55

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Solution

The fourth proportional to 20,104.58, 27,740.16 and 11,606.55 is: 16,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.58 : 27,740.16 = 11,606.55 : x
  2. Step 2: Convert to fraction form
    20,104.58/27,740.16 = 11,606.55/x
  3. Step 3: Cross multiply
    20,104.58x = 27,740.16 × 11,606.55
  4. Step 4: Simplify right side
    20,104.58x = 321,967,554.05
  5. Step 5: Solve for x
    x = 321,967,554.05/20,104.58
  6. Step 6: Final answer
    x = 16,014.64

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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.