Home / 20,267.27-27,969.23-11,770.10

Finding the Fourth Proportional to 20,267.27, 27,969.23 and 11,770.10

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Solution

The fourth proportional to 20,267.27, 27,969.23 and 11,770.10 is: 16,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.27 : 27,969.23 = 11,770.10 : x
  2. Step 2: Convert to fraction form
    20,267.27/27,969.23 = 11,770.10/x
  3. Step 3: Cross multiply
    20,267.27x = 27,969.23 × 11,770.10
  4. Step 4: Simplify right side
    20,267.27x = 329,200,634.02
  5. Step 5: Solve for x
    x = 329,200,634.02/20,267.27
  6. Step 6: Final answer
    x = 16,242.97

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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.