Home / 14,584.87-20,126.66-8,211.79

Finding the Fourth Proportional to 14,584.87, 20,126.66 and 8,211.79

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Solution

The fourth proportional to 14,584.87, 20,126.66 and 8,211.79 is: 11,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.87 : 20,126.66 = 8,211.79 : x
  2. Step 2: Convert to fraction form
    14,584.87/20,126.66 = 8,211.79/x
  3. Step 3: Cross multiply
    14,584.87x = 20,126.66 × 8,211.79
  4. Step 4: Simplify right side
    14,584.87x = 165,275,864.26
  5. Step 5: Solve for x
    x = 165,275,864.26/14,584.87
  6. Step 6: Final answer
    x = 11,332.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.