Home / 18,277.86-25,227.44-11,572.43

Finding the Fourth Proportional to 18,277.86, 25,227.44 and 11,572.43

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Solution

The fourth proportional to 18,277.86, 25,227.44 and 11,572.43 is: 15,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.86 : 25,227.44 = 11,572.43 : x
  2. Step 2: Convert to fraction form
    18,277.86/25,227.44 = 11,572.43/x
  3. Step 3: Cross multiply
    18,277.86x = 25,227.44 × 11,572.43
  4. Step 4: Simplify right side
    18,277.86x = 291,942,783.48
  5. Step 5: Solve for x
    x = 291,942,783.48/18,277.86
  6. Step 6: Final answer
    x = 15,972.48

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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.