Home / 14,120.14-21,174.05-4,758.41

Finding the Fourth Proportional to 14,120.14, 21,174.05 and 4,758.41

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Solution

The fourth proportional to 14,120.14, 21,174.05 and 4,758.41 is: 7,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.14 : 21,174.05 = 4,758.41 : x
  2. Step 2: Convert to fraction form
    14,120.14/21,174.05 = 4,758.41/x
  3. Step 3: Cross multiply
    14,120.14x = 21,174.05 × 4,758.41
  4. Step 4: Simplify right side
    14,120.14x = 100,754,758.33
  5. Step 5: Solve for x
    x = 100,754,758.33/14,120.14
  6. Step 6: Final answer
    x = 7,135.54

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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.