Home / 14,212.71-21,318.30-4,351.99

Finding the Fourth Proportional to 14,212.71, 21,318.30 and 4,351.99

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Solution

The fourth proportional to 14,212.71, 21,318.30 and 4,351.99 is: 6,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.71 : 21,318.30 = 4,351.99 : x
  2. Step 2: Convert to fraction form
    14,212.71/21,318.30 = 4,351.99/x
  3. Step 3: Cross multiply
    14,212.71x = 21,318.30 × 4,351.99
  4. Step 4: Simplify right side
    14,212.71x = 92,777,028.42
  5. Step 5: Solve for x
    x = 92,777,028.42/14,212.71
  6. Step 6: Final answer
    x = 6,527.75

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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.