Home / 18,231.45-25,160.94-10,275.27

Finding the Fourth Proportional to 18,231.45, 25,160.94 and 10,275.27

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Solution

The fourth proportional to 18,231.45, 25,160.94 and 10,275.27 is: 14,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.45 : 25,160.94 = 10,275.27 : x
  2. Step 2: Convert to fraction form
    18,231.45/25,160.94 = 10,275.27/x
  3. Step 3: Cross multiply
    18,231.45x = 25,160.94 × 10,275.27
  4. Step 4: Simplify right side
    18,231.45x = 258,535,451.95
  5. Step 5: Solve for x
    x = 258,535,451.95/18,231.45
  6. Step 6: Final answer
    x = 14,180.74

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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.