Home / 14,228.68-21,338.01-4,738.42

Finding the Fourth Proportional to 14,228.68, 21,338.01 and 4,738.42

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Solution

The fourth proportional to 14,228.68, 21,338.01 and 4,738.42 is: 7,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.68 : 21,338.01 = 4,738.42 : x
  2. Step 2: Convert to fraction form
    14,228.68/21,338.01 = 4,738.42/x
  3. Step 3: Cross multiply
    14,228.68x = 21,338.01 × 4,738.42
  4. Step 4: Simplify right side
    14,228.68x = 101,108,480.02
  5. Step 5: Solve for x
    x = 101,108,480.02/14,228.68
  6. Step 6: Final answer
    x = 7,105.96

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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.