Home / 13,966.29-20,949.72-11,180.04

Finding the Fourth Proportional to 13,966.29, 20,949.72 and 11,180.04

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Solution

The fourth proportional to 13,966.29, 20,949.72 and 11,180.04 is: 16,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.29 : 20,949.72 = 11,180.04 : x
  2. Step 2: Convert to fraction form
    13,966.29/20,949.72 = 11,180.04/x
  3. Step 3: Cross multiply
    13,966.29x = 20,949.72 × 11,180.04
  4. Step 4: Simplify right side
    13,966.29x = 234,218,707.59
  5. Step 5: Solve for x
    x = 234,218,707.59/13,966.29
  6. Step 6: Final answer
    x = 16,770.29

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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.