Home / 13,517.66-20,243.68-9,999.02

Finding the Fourth Proportional to 13,517.66, 20,243.68 and 9,999.02

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Solution

The fourth proportional to 13,517.66, 20,243.68 and 9,999.02 is: 14,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.66 : 20,243.68 = 9,999.02 : x
  2. Step 2: Convert to fraction form
    13,517.66/20,243.68 = 9,999.02/x
  3. Step 3: Cross multiply
    13,517.66x = 20,243.68 × 9,999.02
  4. Step 4: Simplify right side
    13,517.66x = 202,416,961.19
  5. Step 5: Solve for x
    x = 202,416,961.19/13,517.66
  6. Step 6: Final answer
    x = 14,974.26

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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.