Home / 14,548.82-20,078.87-8,175.99

Finding the Fourth Proportional to 14,548.82, 20,078.87 and 8,175.99

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Solution

The fourth proportional to 14,548.82, 20,078.87 and 8,175.99 is: 11,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.82 : 20,078.87 = 8,175.99 : x
  2. Step 2: Convert to fraction form
    14,548.82/20,078.87 = 8,175.99/x
  3. Step 3: Cross multiply
    14,548.82x = 20,078.87 × 8,175.99
  4. Step 4: Simplify right side
    14,548.82x = 164,164,607.79
  5. Step 5: Solve for x
    x = 164,164,607.79/14,548.82
  6. Step 6: Final answer
    x = 11,283.71

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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.