Home / 13,625.08-18,794.94-8,580.64

Finding the Fourth Proportional to 13,625.08, 18,794.94 and 8,580.64

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Solution

The fourth proportional to 13,625.08, 18,794.94 and 8,580.64 is: 11,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.08 : 18,794.94 = 8,580.64 : x
  2. Step 2: Convert to fraction form
    13,625.08/18,794.94 = 8,580.64/x
  3. Step 3: Cross multiply
    13,625.08x = 18,794.94 × 8,580.64
  4. Step 4: Simplify right side
    13,625.08x = 161,272,613.96
  5. Step 5: Solve for x
    x = 161,272,613.96/13,625.08
  6. Step 6: Final answer
    x = 11,836.45

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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.