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Finding the Fourth Proportional to 21,955.80, 32,927.22 and 12,093.24

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Solution

The fourth proportional to 21,955.80, 32,927.22 and 12,093.24 is: 18,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.80 : 32,927.22 = 12,093.24 : x
  2. Step 2: Convert to fraction form
    21,955.80/32,927.22 = 12,093.24/x
  3. Step 3: Cross multiply
    21,955.80x = 32,927.22 × 12,093.24
  4. Step 4: Simplify right side
    21,955.80x = 398,196,773.99
  5. Step 5: Solve for x
    x = 398,196,773.99/21,955.80
  6. Step 6: Final answer
    x = 18,136.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.