Home / 16,918.94-23,342.76-9,843.99

Finding the Fourth Proportional to 16,918.94, 23,342.76 and 9,843.99

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Solution

The fourth proportional to 16,918.94, 23,342.76 and 9,843.99 is: 13,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.94 : 23,342.76 = 9,843.99 : x
  2. Step 2: Convert to fraction form
    16,918.94/23,342.76 = 9,843.99/x
  3. Step 3: Cross multiply
    16,918.94x = 23,342.76 × 9,843.99
  4. Step 4: Simplify right side
    16,918.94x = 229,785,896.01
  5. Step 5: Solve for x
    x = 229,785,896.01/16,918.94
  6. Step 6: Final answer
    x = 13,581.58

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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.