Home / 13,173.70-19,764.20-7,334.40

Finding the Fourth Proportional to 13,173.70, 19,764.20 and 7,334.40

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Solution

The fourth proportional to 13,173.70, 19,764.20 and 7,334.40 is: 11,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.70 : 19,764.20 = 7,334.40 : x
  2. Step 2: Convert to fraction form
    13,173.70/19,764.20 = 7,334.40/x
  3. Step 3: Cross multiply
    13,173.70x = 19,764.20 × 7,334.40
  4. Step 4: Simplify right side
    13,173.70x = 144,958,548.48
  5. Step 5: Solve for x
    x = 144,958,548.48/13,173.70
  6. Step 6: Final answer
    x = 11,003.63

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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.