Home / 18,615.41-27,896.61-9,246.25

Finding the Fourth Proportional to 18,615.41, 27,896.61 and 9,246.25

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Solution

The fourth proportional to 18,615.41, 27,896.61 and 9,246.25 is: 13,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.41 : 27,896.61 = 9,246.25 : x
  2. Step 2: Convert to fraction form
    18,615.41/27,896.61 = 9,246.25/x
  3. Step 3: Cross multiply
    18,615.41x = 27,896.61 × 9,246.25
  4. Step 4: Simplify right side
    18,615.41x = 257,938,890.73
  5. Step 5: Solve for x
    x = 257,938,890.73/18,615.41
  6. Step 6: Final answer
    x = 13,856.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.