Home / 15,982.03-22,057.34-9,178.73

Finding the Fourth Proportional to 15,982.03, 22,057.34 and 9,178.73

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Solution

The fourth proportional to 15,982.03, 22,057.34 and 9,178.73 is: 12,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.03 : 22,057.34 = 9,178.73 : x
  2. Step 2: Convert to fraction form
    15,982.03/22,057.34 = 9,178.73/x
  3. Step 3: Cross multiply
    15,982.03x = 22,057.34 × 9,178.73
  4. Step 4: Simplify right side
    15,982.03x = 202,458,212.20
  5. Step 5: Solve for x
    x = 202,458,212.20/15,982.03
  6. Step 6: Final answer
    x = 12,667.87

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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.