Home / 18,652.07-25,742.21-11,579.56

Finding the Fourth Proportional to 18,652.07, 25,742.21 and 11,579.56

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Solution

The fourth proportional to 18,652.07, 25,742.21 and 11,579.56 is: 15,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.07 : 25,742.21 = 11,579.56 : x
  2. Step 2: Convert to fraction form
    18,652.07/25,742.21 = 11,579.56/x
  3. Step 3: Cross multiply
    18,652.07x = 25,742.21 × 11,579.56
  4. Step 4: Simplify right side
    18,652.07x = 298,083,342.97
  5. Step 5: Solve for x
    x = 298,083,342.97/18,652.07
  6. Step 6: Final answer
    x = 15,981.25

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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.