Home / 14,133.33-21,191.07-7,111.44

Finding the Fourth Proportional to 14,133.33, 21,191.07 and 7,111.44

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Solution

The fourth proportional to 14,133.33, 21,191.07 and 7,111.44 is: 10,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.33 : 21,191.07 = 7,111.44 : x
  2. Step 2: Convert to fraction form
    14,133.33/21,191.07 = 7,111.44/x
  3. Step 3: Cross multiply
    14,133.33x = 21,191.07 × 7,111.44
  4. Step 4: Simplify right side
    14,133.33x = 150,699,022.84
  5. Step 5: Solve for x
    x = 150,699,022.84/14,133.33
  6. Step 6: Final answer
    x = 10,662.67

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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.