Home / 20,055.35-30,093.26-13,396.38

Finding the Fourth Proportional to 20,055.35, 30,093.26 and 13,396.38

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Solution

The fourth proportional to 20,055.35, 30,093.26 and 13,396.38 is: 20,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.35 : 30,093.26 = 13,396.38 : x
  2. Step 2: Convert to fraction form
    20,055.35/30,093.26 = 13,396.38/x
  3. Step 3: Cross multiply
    20,055.35x = 30,093.26 × 13,396.38
  4. Step 4: Simplify right side
    20,055.35x = 403,140,779.89
  5. Step 5: Solve for x
    x = 403,140,779.89/20,055.35
  6. Step 6: Final answer
    x = 20,101.41

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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.