Home / 14,477.06-21,718.34-4,986.86

Finding the Fourth Proportional to 14,477.06, 21,718.34 and 4,986.86

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Solution

The fourth proportional to 14,477.06, 21,718.34 and 4,986.86 is: 7,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.06 : 21,718.34 = 4,986.86 : x
  2. Step 2: Convert to fraction form
    14,477.06/21,718.34 = 4,986.86/x
  3. Step 3: Cross multiply
    14,477.06x = 21,718.34 × 4,986.86
  4. Step 4: Simplify right side
    14,477.06x = 108,306,321.01
  5. Step 5: Solve for x
    x = 108,306,321.01/14,477.06
  6. Step 6: Final answer
    x = 7,481.24

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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.