Home / 18,301.96-25,257.78-12,334.60

Finding the Fourth Proportional to 18,301.96, 25,257.78 and 12,334.60

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Solution

The fourth proportional to 18,301.96, 25,257.78 and 12,334.60 is: 17,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.96 : 25,257.78 = 12,334.60 : x
  2. Step 2: Convert to fraction form
    18,301.96/25,257.78 = 12,334.60/x
  3. Step 3: Cross multiply
    18,301.96x = 25,257.78 × 12,334.60
  4. Step 4: Simplify right side
    18,301.96x = 311,544,613.19
  5. Step 5: Solve for x
    x = 311,544,613.19/18,301.96
  6. Step 6: Final answer
    x = 17,022.47

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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.