Home / 13,052.22-19,584.63-8,120.58

Finding the Fourth Proportional to 13,052.22, 19,584.63 and 8,120.58

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Solution

The fourth proportional to 13,052.22, 19,584.63 and 8,120.58 is: 12,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.22 : 19,584.63 = 8,120.58 : x
  2. Step 2: Convert to fraction form
    13,052.22/19,584.63 = 8,120.58/x
  3. Step 3: Cross multiply
    13,052.22x = 19,584.63 × 8,120.58
  4. Step 4: Simplify right side
    13,052.22x = 159,038,554.69
  5. Step 5: Solve for x
    x = 159,038,554.69/13,052.22
  6. Step 6: Final answer
    x = 12,184.79

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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.