Home / 13,601.85-18,770.00-7,936.91

Finding the Fourth Proportional to 13,601.85, 18,770.00 and 7,936.91

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Solution

The fourth proportional to 13,601.85, 18,770.00 and 7,936.91 is: 10,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.85 : 18,770.00 = 7,936.91 : x
  2. Step 2: Convert to fraction form
    13,601.85/18,770.00 = 7,936.91/x
  3. Step 3: Cross multiply
    13,601.85x = 18,770.00 × 7,936.91
  4. Step 4: Simplify right side
    13,601.85x = 148,975,807.94
  5. Step 5: Solve for x
    x = 148,975,807.94/13,601.85
  6. Step 6: Final answer
    x = 10,952.61

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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.