Home / 13,694.00-20,549.51-8,767.18

Finding the Fourth Proportional to 13,694.00, 20,549.51 and 8,767.18

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Solution

The fourth proportional to 13,694.00, 20,549.51 and 8,767.18 is: 13,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.00 : 20,549.51 = 8,767.18 : x
  2. Step 2: Convert to fraction form
    13,694.00/20,549.51 = 8,767.18/x
  3. Step 3: Cross multiply
    13,694.00x = 20,549.51 × 8,767.18
  4. Step 4: Simplify right side
    13,694.00x = 180,161,179.79
  5. Step 5: Solve for x
    x = 180,161,179.79/13,694.00
  6. Step 6: Final answer
    x = 13,156.21

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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.