Home / 13,084.67-18,043.11-11,202.48

Finding the Fourth Proportional to 13,084.67, 18,043.11 and 11,202.48

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Solution

The fourth proportional to 13,084.67, 18,043.11 and 11,202.48 is: 15,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.67 : 18,043.11 = 11,202.48 : x
  2. Step 2: Convert to fraction form
    13,084.67/18,043.11 = 11,202.48/x
  3. Step 3: Cross multiply
    13,084.67x = 18,043.11 × 11,202.48
  4. Step 4: Simplify right side
    13,084.67x = 202,127,578.91
  5. Step 5: Solve for x
    x = 202,127,578.91/13,084.67
  6. Step 6: Final answer
    x = 15,447.66

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1.5x scale

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.