Home / 13,597.70-18,764.81-7,936.34

Finding the Fourth Proportional to 13,597.70, 18,764.81 and 7,936.34

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Solution

The fourth proportional to 13,597.70, 18,764.81 and 7,936.34 is: 10,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.70 : 18,764.81 = 7,936.34 : x
  2. Step 2: Convert to fraction form
    13,597.70/18,764.81 = 7,936.34/x
  3. Step 3: Cross multiply
    13,597.70x = 18,764.81 × 7,936.34
  4. Step 4: Simplify right side
    13,597.70x = 148,923,912.20
  5. Step 5: Solve for x
    x = 148,923,912.20/13,597.70
  6. Step 6: Final answer
    x = 10,952.14

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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.