Home / 13,173.25-18,193.80-10,224.85

Finding the Fourth Proportional to 13,173.25, 18,193.80 and 10,224.85

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Solution

The fourth proportional to 13,173.25, 18,193.80 and 10,224.85 is: 14,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.25 : 18,193.80 = 10,224.85 : x
  2. Step 2: Convert to fraction form
    13,173.25/18,193.80 = 10,224.85/x
  3. Step 3: Cross multiply
    13,173.25x = 18,193.80 × 10,224.85
  4. Step 4: Simplify right side
    13,173.25x = 186,028,875.93
  5. Step 5: Solve for x
    x = 186,028,875.93/13,173.25
  6. Step 6: Final answer
    x = 14,121.71

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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.