Home / 26,000.30-38,932.40-20,161.82

Finding the Fourth Proportional to 26,000.30, 38,932.40 and 20,161.82

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Solution

The fourth proportional to 26,000.30, 38,932.40 and 20,161.82 is: 30,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.30 : 38,932.40 = 20,161.82 : x
  2. Step 2: Convert to fraction form
    26,000.30/38,932.40 = 20,161.82/x
  3. Step 3: Cross multiply
    26,000.30x = 38,932.40 × 20,161.82
  4. Step 4: Simplify right side
    26,000.30x = 784,948,040.97
  5. Step 5: Solve for x
    x = 784,948,040.97/26,000.30
  6. Step 6: Final answer
    x = 30,189.96

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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.