Home / 14,548.52-20,078.66-8,175.12

Finding the Fourth Proportional to 14,548.52, 20,078.66 and 8,175.12

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Solution

The fourth proportional to 14,548.52, 20,078.66 and 8,175.12 is: 11,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.52 : 20,078.66 = 8,175.12 : x
  2. Step 2: Convert to fraction form
    14,548.52/20,078.66 = 8,175.12/x
  3. Step 3: Cross multiply
    14,548.52x = 20,078.66 × 8,175.12
  4. Step 4: Simplify right side
    14,548.52x = 164,145,454.94
  5. Step 5: Solve for x
    x = 164,145,454.94/14,548.52
  6. Step 6: Final answer
    x = 11,282.62

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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.