Home / 33,429.08-50,137.13-12,654.20

Finding the Fourth Proportional to 33,429.08, 50,137.13 and 12,654.20

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Solution

The fourth proportional to 33,429.08, 50,137.13 and 12,654.20 is: 18,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.08 : 50,137.13 = 12,654.20 : x
  2. Step 2: Convert to fraction form
    33,429.08/50,137.13 = 12,654.20/x
  3. Step 3: Cross multiply
    33,429.08x = 50,137.13 × 12,654.20
  4. Step 4: Simplify right side
    33,429.08x = 634,444,956.49
  5. Step 5: Solve for x
    x = 634,444,956.49/33,429.08
  6. Step 6: Final answer
    x = 18,978.84

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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.