Home / 14,114.71-21,172.06-3,585.52

Finding the Fourth Proportional to 14,114.71, 21,172.06 and 3,585.52

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Solution

The fourth proportional to 14,114.71, 21,172.06 and 3,585.52 is: 5,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.71 : 21,172.06 = 3,585.52 : x
  2. Step 2: Convert to fraction form
    14,114.71/21,172.06 = 3,585.52/x
  3. Step 3: Cross multiply
    14,114.71x = 21,172.06 × 3,585.52
  4. Step 4: Simplify right side
    14,114.71x = 75,912,738.71
  5. Step 5: Solve for x
    x = 75,912,738.71/14,114.71
  6. Step 6: Final answer
    x = 5,378.27

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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.