Home / 16,858.88-23,239.68-12,141.44

Finding the Fourth Proportional to 16,858.88, 23,239.68 and 12,141.44

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Solution

The fourth proportional to 16,858.88, 23,239.68 and 12,141.44 is: 16,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.88 : 23,239.68 = 12,141.44 : x
  2. Step 2: Convert to fraction form
    16,858.88/23,239.68 = 12,141.44/x
  3. Step 3: Cross multiply
    16,858.88x = 23,239.68 × 12,141.44
  4. Step 4: Simplify right side
    16,858.88x = 282,163,180.34
  5. Step 5: Solve for x
    x = 282,163,180.34/16,858.88
  6. Step 6: Final answer
    x = 16,736.77

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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.