Home / 16,383.36-22,596.84-12,839.52

Finding the Fourth Proportional to 16,383.36, 22,596.84 and 12,839.52

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Solution

The fourth proportional to 16,383.36, 22,596.84 and 12,839.52 is: 17,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.36 : 22,596.84 = 12,839.52 : x
  2. Step 2: Convert to fraction form
    16,383.36/22,596.84 = 12,839.52/x
  3. Step 3: Cross multiply
    16,383.36x = 22,596.84 × 12,839.52
  4. Step 4: Simplify right side
    16,383.36x = 290,132,579.12
  5. Step 5: Solve for x
    x = 290,132,579.12/16,383.36
  6. Step 6: Final answer
    x = 17,708.98

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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.