Home / 15,983.54-22,057.40-8,910.42

Finding the Fourth Proportional to 15,983.54, 22,057.40 and 8,910.42

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Solution

The fourth proportional to 15,983.54, 22,057.40 and 8,910.42 is: 12,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.54 : 22,057.40 = 8,910.42 : x
  2. Step 2: Convert to fraction form
    15,983.54/22,057.40 = 8,910.42/x
  3. Step 3: Cross multiply
    15,983.54x = 22,057.40 × 8,910.42
  4. Step 4: Simplify right side
    15,983.54x = 196,540,698.11
  5. Step 5: Solve for x
    x = 196,540,698.11/15,983.54
  6. Step 6: Final answer
    x = 12,296.44

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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.