Home / 14,858.83-20,504.64-8,144.38

Finding the Fourth Proportional to 14,858.83, 20,504.64 and 8,144.38

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Solution

The fourth proportional to 14,858.83, 20,504.64 and 8,144.38 is: 11,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.83 : 20,504.64 = 8,144.38 : x
  2. Step 2: Convert to fraction form
    14,858.83/20,504.64 = 8,144.38/x
  3. Step 3: Cross multiply
    14,858.83x = 20,504.64 × 8,144.38
  4. Step 4: Simplify right side
    14,858.83x = 166,997,579.92
  5. Step 5: Solve for x
    x = 166,997,579.92/14,858.83
  6. Step 6: Final answer
    x = 11,238.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.