Home / 17,178.11-25,770.85-5,331.64

Finding the Fourth Proportional to 17,178.11, 25,770.85 and 5,331.64

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Solution

The fourth proportional to 17,178.11, 25,770.85 and 5,331.64 is: 7,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.11 : 25,770.85 = 5,331.64 : x
  2. Step 2: Convert to fraction form
    17,178.11/25,770.85 = 5,331.64/x
  3. Step 3: Cross multiply
    17,178.11x = 25,770.85 × 5,331.64
  4. Step 4: Simplify right side
    17,178.11x = 137,400,816.94
  5. Step 5: Solve for x
    x = 137,400,816.94/17,178.11
  6. Step 6: Final answer
    x = 7,998.60

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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.