Home / 20,248.92-27,943.54-11,296.18

Finding the Fourth Proportional to 20,248.92, 27,943.54 and 11,296.18

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Solution

The fourth proportional to 20,248.92, 27,943.54 and 11,296.18 is: 15,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.92 : 27,943.54 = 11,296.18 : x
  2. Step 2: Convert to fraction form
    20,248.92/27,943.54 = 11,296.18/x
  3. Step 3: Cross multiply
    20,248.92x = 27,943.54 × 11,296.18
  4. Step 4: Simplify right side
    20,248.92x = 315,655,257.68
  5. Step 5: Solve for x
    x = 315,655,257.68/20,248.92
  6. Step 6: Final answer
    x = 15,588.75

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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.