Home / 16,112.88-22,243.36-10,811.12

Finding the Fourth Proportional to 16,112.88, 22,243.36 and 10,811.12

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Solution

The fourth proportional to 16,112.88, 22,243.36 and 10,811.12 is: 14,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,112.88 : 22,243.36 = 10,811.12 : x
  2. Step 2: Convert to fraction form
    16,112.88/22,243.36 = 10,811.12/x
  3. Step 3: Cross multiply
    16,112.88x = 22,243.36 × 10,811.12
  4. Step 4: Simplify right side
    16,112.88x = 240,475,634.16
  5. Step 5: Solve for x
    x = 240,475,634.16/16,112.88
  6. Step 6: Final answer
    x = 14,924.44

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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.