Home / 13,167.45-19,750.92-5,772.48

Finding the Fourth Proportional to 13,167.45, 19,750.92 and 5,772.48

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Solution

The fourth proportional to 13,167.45, 19,750.92 and 5,772.48 is: 8,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.45 : 19,750.92 = 5,772.48 : x
  2. Step 2: Convert to fraction form
    13,167.45/19,750.92 = 5,772.48/x
  3. Step 3: Cross multiply
    13,167.45x = 19,750.92 × 5,772.48
  4. Step 4: Simplify right side
    13,167.45x = 114,011,790.68
  5. Step 5: Solve for x
    x = 114,011,790.68/13,167.45
  6. Step 6: Final answer
    x = 8,658.61

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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.