Home / 13,570.24-18,716.40-9,092.56

Finding the Fourth Proportional to 13,570.24, 18,716.40 and 9,092.56

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Solution

The fourth proportional to 13,570.24, 18,716.40 and 9,092.56 is: 12,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.24 : 18,716.40 = 9,092.56 : x
  2. Step 2: Convert to fraction form
    13,570.24/18,716.40 = 9,092.56/x
  3. Step 3: Cross multiply
    13,570.24x = 18,716.40 × 9,092.56
  4. Step 4: Simplify right side
    13,570.24x = 170,179,989.98
  5. Step 5: Solve for x
    x = 170,179,989.98/13,570.24
  6. Step 6: Final answer
    x = 12,540.68

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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.