Home / 20,015.11-27,602.48-12,043.49

Finding the Fourth Proportional to 20,015.11, 27,602.48 and 12,043.49

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Solution

The fourth proportional to 20,015.11, 27,602.48 and 12,043.49 is: 16,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.11 : 27,602.48 = 12,043.49 : x
  2. Step 2: Convert to fraction form
    20,015.11/27,602.48 = 12,043.49/x
  3. Step 3: Cross multiply
    20,015.11x = 27,602.48 × 12,043.49
  4. Step 4: Simplify right side
    20,015.11x = 332,430,191.86
  5. Step 5: Solve for x
    x = 332,430,191.86/20,015.11
  6. Step 6: Final answer
    x = 16,608.97

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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.