Home / 20,048.79-27,664.83-11,095.05

Finding the Fourth Proportional to 20,048.79, 27,664.83 and 11,095.05

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Solution

The fourth proportional to 20,048.79, 27,664.83 and 11,095.05 is: 15,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.79 : 27,664.83 = 11,095.05 : x
  2. Step 2: Convert to fraction form
    20,048.79/27,664.83 = 11,095.05/x
  3. Step 3: Cross multiply
    20,048.79x = 27,664.83 × 11,095.05
  4. Step 4: Simplify right side
    20,048.79x = 306,942,672.09
  5. Step 5: Solve for x
    x = 306,942,672.09/20,048.79
  6. Step 6: Final answer
    x = 15,309.79

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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.