Home / 13,468.68-18,584.05-8,160.42

Finding the Fourth Proportional to 13,468.68, 18,584.05 and 8,160.42

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Solution

The fourth proportional to 13,468.68, 18,584.05 and 8,160.42 is: 11,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.68 : 18,584.05 = 8,160.42 : x
  2. Step 2: Convert to fraction form
    13,468.68/18,584.05 = 8,160.42/x
  3. Step 3: Cross multiply
    13,468.68x = 18,584.05 × 8,160.42
  4. Step 4: Simplify right side
    13,468.68x = 151,653,653.30
  5. Step 5: Solve for x
    x = 151,653,653.30/13,468.68
  6. Step 6: Final answer
    x = 11,259.73

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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.