Home / 20,046.79-27,664.15-11,093.76

Finding the Fourth Proportional to 20,046.79, 27,664.15 and 11,093.76

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Solution

The fourth proportional to 20,046.79, 27,664.15 and 11,093.76 is: 15,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.79 : 27,664.15 = 11,093.76 : x
  2. Step 2: Convert to fraction form
    20,046.79/27,664.15 = 11,093.76/x
  3. Step 3: Cross multiply
    20,046.79x = 27,664.15 × 11,093.76
  4. Step 4: Simplify right side
    20,046.79x = 306,899,440.70
  5. Step 5: Solve for x
    x = 306,899,440.70/20,046.79
  6. Step 6: Final answer
    x = 15,309.16

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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.