Home / 22,235.40-33,342.30-12,364.20

Finding the Fourth Proportional to 22,235.40, 33,342.30 and 12,364.20

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Solution

The fourth proportional to 22,235.40, 33,342.30 and 12,364.20 is: 18,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.40 : 33,342.30 = 12,364.20 : x
  2. Step 2: Convert to fraction form
    22,235.40/33,342.30 = 12,364.20/x
  3. Step 3: Cross multiply
    22,235.40x = 33,342.30 × 12,364.20
  4. Step 4: Simplify right side
    22,235.40x = 412,250,865.66
  5. Step 5: Solve for x
    x = 412,250,865.66/22,235.40
  6. Step 6: Final answer
    x = 18,540.29

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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.