Home / 14,118.69-21,177.42-3,589.14

Finding the Fourth Proportional to 14,118.69, 21,177.42 and 3,589.14

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Solution

The fourth proportional to 14,118.69, 21,177.42 and 3,589.14 is: 5,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.69 : 21,177.42 = 3,589.14 : x
  2. Step 2: Convert to fraction form
    14,118.69/21,177.42 = 3,589.14/x
  3. Step 3: Cross multiply
    14,118.69x = 21,177.42 × 3,589.14
  4. Step 4: Simplify right side
    14,118.69x = 76,008,725.22
  5. Step 5: Solve for x
    x = 76,008,725.22/14,118.69
  6. Step 6: Final answer
    x = 5,383.55

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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.