Home / 18,986.41-26,200.94-10,489.14

Finding the Fourth Proportional to 18,986.41, 26,200.94 and 10,489.14

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Solution

The fourth proportional to 18,986.41, 26,200.94 and 10,489.14 is: 14,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.41 : 26,200.94 = 10,489.14 : x
  2. Step 2: Convert to fraction form
    18,986.41/26,200.94 = 10,489.14/x
  3. Step 3: Cross multiply
    18,986.41x = 26,200.94 × 10,489.14
  4. Step 4: Simplify right side
    18,986.41x = 274,825,428.33
  5. Step 5: Solve for x
    x = 274,825,428.33/18,986.41
  6. Step 6: Final answer
    x = 14,474.85

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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.