Home / 13,942.53-20,897.97-6,927.42

Finding the Fourth Proportional to 13,942.53, 20,897.97 and 6,927.42

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Solution

The fourth proportional to 13,942.53, 20,897.97 and 6,927.42 is: 10,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.53 : 20,897.97 = 6,927.42 : x
  2. Step 2: Convert to fraction form
    13,942.53/20,897.97 = 6,927.42/x
  3. Step 3: Cross multiply
    13,942.53x = 20,897.97 × 6,927.42
  4. Step 4: Simplify right side
    13,942.53x = 144,769,015.34
  5. Step 5: Solve for x
    x = 144,769,015.34/13,942.53
  6. Step 6: Final answer
    x = 10,383.27

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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.