Home / 20,083.99-27,716.93-11,582.95

Finding the Fourth Proportional to 20,083.99, 27,716.93 and 11,582.95

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Solution

The fourth proportional to 20,083.99, 27,716.93 and 11,582.95 is: 15,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.99 : 27,716.93 = 11,582.95 : x
  2. Step 2: Convert to fraction form
    20,083.99/27,716.93 = 11,582.95/x
  3. Step 3: Cross multiply
    20,083.99x = 27,716.93 × 11,582.95
  4. Step 4: Simplify right side
    20,083.99x = 321,043,814.34
  5. Step 5: Solve for x
    x = 321,043,814.34/20,083.99
  6. Step 6: Final answer
    x = 15,985.06

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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.