Home / 18,497.75-25,560.71-13,183.34

Finding the Fourth Proportional to 18,497.75, 25,560.71 and 13,183.34

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Solution

The fourth proportional to 18,497.75, 25,560.71 and 13,183.34 is: 18,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.75 : 25,560.71 = 13,183.34 : x
  2. Step 2: Convert to fraction form
    18,497.75/25,560.71 = 13,183.34/x
  3. Step 3: Cross multiply
    18,497.75x = 25,560.71 × 13,183.34
  4. Step 4: Simplify right side
    18,497.75x = 336,975,530.57
  5. Step 5: Solve for x
    x = 336,975,530.57/18,497.75
  6. Step 6: Final answer
    x = 18,217.11

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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.