Home / 13,576.43-20,351.88-7,327.08

Finding the Fourth Proportional to 13,576.43, 20,351.88 and 7,327.08

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Solution

The fourth proportional to 13,576.43, 20,351.88 and 7,327.08 is: 10,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.43 : 20,351.88 = 7,327.08 : x
  2. Step 2: Convert to fraction form
    13,576.43/20,351.88 = 7,327.08/x
  3. Step 3: Cross multiply
    13,576.43x = 20,351.88 × 7,327.08
  4. Step 4: Simplify right side
    13,576.43x = 149,119,852.91
  5. Step 5: Solve for x
    x = 149,119,852.91/13,576.43
  6. Step 6: Final answer
    x = 10,983.73

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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.