Home / 13,043.12-17,998.14-8,007.54

Finding the Fourth Proportional to 13,043.12, 17,998.14 and 8,007.54

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Solution

The fourth proportional to 13,043.12, 17,998.14 and 8,007.54 is: 11,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.12 : 17,998.14 = 8,007.54 : x
  2. Step 2: Convert to fraction form
    13,043.12/17,998.14 = 8,007.54/x
  3. Step 3: Cross multiply
    13,043.12x = 17,998.14 × 8,007.54
  4. Step 4: Simplify right side
    13,043.12x = 144,120,825.98
  5. Step 5: Solve for x
    x = 144,120,825.98/13,043.12
  6. Step 6: Final answer
    x = 11,049.57

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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.