Home / 23,679.82-32,679.21-13,611.52

Finding the Fourth Proportional to 23,679.82, 32,679.21 and 13,611.52

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Solution

The fourth proportional to 23,679.82, 32,679.21 and 13,611.52 is: 18,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.82 : 32,679.21 = 13,611.52 : x
  2. Step 2: Convert to fraction form
    23,679.82/32,679.21 = 13,611.52/x
  3. Step 3: Cross multiply
    23,679.82x = 32,679.21 × 13,611.52
  4. Step 4: Simplify right side
    23,679.82x = 444,813,720.50
  5. Step 5: Solve for x
    x = 444,813,720.50/23,679.82
  6. Step 6: Final answer
    x = 18,784.51

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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.