Home / 18,376.42-25,357.94-10,308.97

Finding the Fourth Proportional to 18,376.42, 25,357.94 and 10,308.97

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Solution

The fourth proportional to 18,376.42, 25,357.94 and 10,308.97 is: 14,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.42 : 25,357.94 = 10,308.97 : x
  2. Step 2: Convert to fraction form
    18,376.42/25,357.94 = 10,308.97/x
  3. Step 3: Cross multiply
    18,376.42x = 25,357.94 × 10,308.97
  4. Step 4: Simplify right side
    18,376.42x = 261,414,232.54
  5. Step 5: Solve for x
    x = 261,414,232.54/18,376.42
  6. Step 6: Final answer
    x = 14,225.53

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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.