Home / 20,043.14-27,668.05-12,493.23

Finding the Fourth Proportional to 20,043.14, 27,668.05 and 12,493.23

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Solution

The fourth proportional to 20,043.14, 27,668.05 and 12,493.23 is: 17,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.14 : 27,668.05 = 12,493.23 : x
  2. Step 2: Convert to fraction form
    20,043.14/27,668.05 = 12,493.23/x
  3. Step 3: Cross multiply
    20,043.14x = 27,668.05 × 12,493.23
  4. Step 4: Simplify right side
    20,043.14x = 345,663,111.50
  5. Step 5: Solve for x
    x = 345,663,111.50/20,043.14
  6. Step 6: Final answer
    x = 17,245.96

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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.