Home / 14,629.15-21,906.60-8,047.90

Finding the Fourth Proportional to 14,629.15, 21,906.60 and 8,047.90

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Solution

The fourth proportional to 14,629.15, 21,906.60 and 8,047.90 is: 12,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.15 : 21,906.60 = 8,047.90 : x
  2. Step 2: Convert to fraction form
    14,629.15/21,906.60 = 8,047.90/x
  3. Step 3: Cross multiply
    14,629.15x = 21,906.60 × 8,047.90
  4. Step 4: Simplify right side
    14,629.15x = 176,302,126.14
  5. Step 5: Solve for x
    x = 176,302,126.14/14,629.15
  6. Step 6: Final answer
    x = 12,051.43

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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.