Home / 20,193.59-27,866.90-11,698.44

Finding the Fourth Proportional to 20,193.59, 27,866.90 and 11,698.44

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Solution

The fourth proportional to 20,193.59, 27,866.90 and 11,698.44 is: 16,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.59 : 27,866.90 = 11,698.44 : x
  2. Step 2: Convert to fraction form
    20,193.59/27,866.90 = 11,698.44/x
  3. Step 3: Cross multiply
    20,193.59x = 27,866.90 × 11,698.44
  4. Step 4: Simplify right side
    20,193.59x = 325,999,199.14
  5. Step 5: Solve for x
    x = 325,999,199.14/20,193.59
  6. Step 6: Final answer
    x = 16,143.70

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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.