Home / 18,634.79-25,707.38-11,076.89

Finding the Fourth Proportional to 18,634.79, 25,707.38 and 11,076.89

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Solution

The fourth proportional to 18,634.79, 25,707.38 and 11,076.89 is: 15,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.79 : 25,707.38 = 11,076.89 : x
  2. Step 2: Convert to fraction form
    18,634.79/25,707.38 = 11,076.89/x
  3. Step 3: Cross multiply
    18,634.79x = 25,707.38 × 11,076.89
  4. Step 4: Simplify right side
    18,634.79x = 284,757,636.53
  5. Step 5: Solve for x
    x = 284,757,636.53/18,634.79
  6. Step 6: Final answer
    x = 15,280.97

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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.