Home / 20,246.89-27,941.27-11,296.14

Finding the Fourth Proportional to 20,246.89, 27,941.27 and 11,296.14

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Solution

The fourth proportional to 20,246.89, 27,941.27 and 11,296.14 is: 15,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.89 : 27,941.27 = 11,296.14 : x
  2. Step 2: Convert to fraction form
    20,246.89/27,941.27 = 11,296.14/x
  3. Step 3: Cross multiply
    20,246.89x = 27,941.27 × 11,296.14
  4. Step 4: Simplify right side
    20,246.89x = 315,628,497.70
  5. Step 5: Solve for x
    x = 315,628,497.70/20,246.89
  6. Step 6: Final answer
    x = 15,588.99

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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.