Home / 20,049.93-27,665.15-11,664.81

Finding the Fourth Proportional to 20,049.93, 27,665.15 and 11,664.81

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Solution

The fourth proportional to 20,049.93, 27,665.15 and 11,664.81 is: 16,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.93 : 27,665.15 = 11,664.81 : x
  2. Step 2: Convert to fraction form
    20,049.93/27,665.15 = 11,664.81/x
  3. Step 3: Cross multiply
    20,049.93x = 27,665.15 × 11,664.81
  4. Step 4: Simplify right side
    20,049.93x = 322,708,660.05
  5. Step 5: Solve for x
    x = 322,708,660.05/20,049.93
  6. Step 6: Final answer
    x = 16,095.25

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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.