Home / 13,267.90-18,306.39-8,546.50

Finding the Fourth Proportional to 13,267.90, 18,306.39 and 8,546.50

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Solution

The fourth proportional to 13,267.90, 18,306.39 and 8,546.50 is: 11,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.90 : 18,306.39 = 8,546.50 : x
  2. Step 2: Convert to fraction form
    13,267.90/18,306.39 = 8,546.50/x
  3. Step 3: Cross multiply
    13,267.90x = 18,306.39 × 8,546.50
  4. Step 4: Simplify right side
    13,267.90x = 156,455,562.14
  5. Step 5: Solve for x
    x = 156,455,562.14/13,267.90
  6. Step 6: Final answer
    x = 11,792.04

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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.