Home / 13,711.40-20,610.30-12,674.60

Finding the Fourth Proportional to 13,711.40, 20,610.30 and 12,674.60

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Solution

The fourth proportional to 13,711.40, 20,610.30 and 12,674.60 is: 19,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.40 : 20,610.30 = 12,674.60 : x
  2. Step 2: Convert to fraction form
    13,711.40/20,610.30 = 12,674.60/x
  3. Step 3: Cross multiply
    13,711.40x = 20,610.30 × 12,674.60
  4. Step 4: Simplify right side
    13,711.40x = 261,227,308.38
  5. Step 5: Solve for x
    x = 261,227,308.38/13,711.40
  6. Step 6: Final answer
    x = 19,051.83

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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.