Home / 13,719.30-20,566.92-6,599.98

Finding the Fourth Proportional to 13,719.30, 20,566.92 and 6,599.98

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Solution

The fourth proportional to 13,719.30, 20,566.92 and 6,599.98 is: 9,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.30 : 20,566.92 = 6,599.98 : x
  2. Step 2: Convert to fraction form
    13,719.30/20,566.92 = 6,599.98/x
  3. Step 3: Cross multiply
    13,719.30x = 20,566.92 × 6,599.98
  4. Step 4: Simplify right side
    13,719.30x = 135,741,260.66
  5. Step 5: Solve for x
    x = 135,741,260.66/13,719.30
  6. Step 6: Final answer
    x = 9,894.18

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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.