Home / 18,743.97-25,856.45-12,022.12

Finding the Fourth Proportional to 18,743.97, 25,856.45 and 12,022.12

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Solution

The fourth proportional to 18,743.97, 25,856.45 and 12,022.12 is: 16,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.97 : 25,856.45 = 12,022.12 : x
  2. Step 2: Convert to fraction form
    18,743.97/25,856.45 = 12,022.12/x
  3. Step 3: Cross multiply
    18,743.97x = 25,856.45 × 12,022.12
  4. Step 4: Simplify right side
    18,743.97x = 310,849,284.56
  5. Step 5: Solve for x
    x = 310,849,284.56/18,743.97
  6. Step 6: Final answer
    x = 16,583.96

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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.