Home / 16,713.36-23,107.68-15,978.96

Finding the Fourth Proportional to 16,713.36, 23,107.68 and 15,978.96

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Solution

The fourth proportional to 16,713.36, 23,107.68 and 15,978.96 is: 22,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,713.36 : 23,107.68 = 15,978.96 : x
  2. Step 2: Convert to fraction form
    16,713.36/23,107.68 = 15,978.96/x
  3. Step 3: Cross multiply
    16,713.36x = 23,107.68 × 15,978.96
  4. Step 4: Simplify right side
    16,713.36x = 369,236,694.41
  5. Step 5: Solve for x
    x = 369,236,694.41/16,713.36
  6. Step 6: Final answer
    x = 22,092.31

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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.