Home / 20,082.68-27,717.36-19,196.81

Finding the Fourth Proportional to 20,082.68, 27,717.36 and 19,196.81

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Solution

The fourth proportional to 20,082.68, 27,717.36 and 19,196.81 is: 26,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.68 : 27,717.36 = 19,196.81 : x
  2. Step 2: Convert to fraction form
    20,082.68/27,717.36 = 19,196.81/x
  3. Step 3: Cross multiply
    20,082.68x = 27,717.36 × 19,196.81
  4. Step 4: Simplify right side
    20,082.68x = 532,084,893.62
  5. Step 5: Solve for x
    x = 532,084,893.62/20,082.68
  6. Step 6: Final answer
    x = 26,494.72

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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.