Home / 22,190.30-33,286.14-9,703.90

Finding the Fourth Proportional to 22,190.30, 33,286.14 and 9,703.90

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Solution

The fourth proportional to 22,190.30, 33,286.14 and 9,703.90 is: 14,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.30 : 33,286.14 = 9,703.90 : x
  2. Step 2: Convert to fraction form
    22,190.30/33,286.14 = 9,703.90/x
  3. Step 3: Cross multiply
    22,190.30x = 33,286.14 × 9,703.90
  4. Step 4: Simplify right side
    22,190.30x = 323,005,415.55
  5. Step 5: Solve for x
    x = 323,005,415.55/22,190.30
  6. Step 6: Final answer
    x = 14,556.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.