Home / 14,472.74-21,709.34-4,620.31

Finding the Fourth Proportional to 14,472.74, 21,709.34 and 4,620.31

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Solution

The fourth proportional to 14,472.74, 21,709.34 and 4,620.31 is: 6,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.74 : 21,709.34 = 4,620.31 : x
  2. Step 2: Convert to fraction form
    14,472.74/21,709.34 = 4,620.31/x
  3. Step 3: Cross multiply
    14,472.74x = 21,709.34 × 4,620.31
  4. Step 4: Simplify right side
    14,472.74x = 100,303,880.70
  5. Step 5: Solve for x
    x = 100,303,880.70/14,472.74
  6. Step 6: Final answer
    x = 6,930.54

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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.