Home / 21,611.18-29,825.99-12,052.62

Finding the Fourth Proportional to 21,611.18, 29,825.99 and 12,052.62

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Solution

The fourth proportional to 21,611.18, 29,825.99 and 12,052.62 is: 16,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.18 : 29,825.99 = 12,052.62 : x
  2. Step 2: Convert to fraction form
    21,611.18/29,825.99 = 12,052.62/x
  3. Step 3: Cross multiply
    21,611.18x = 29,825.99 × 12,052.62
  4. Step 4: Simplify right side
    21,611.18x = 359,481,263.33
  5. Step 5: Solve for x
    x = 359,481,263.33/21,611.18
  6. Step 6: Final answer
    x = 16,634.05

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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.