Home / 27,893.64-38,493.07-15,146.71

Finding the Fourth Proportional to 27,893.64, 38,493.07 and 15,146.71

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Solution

The fourth proportional to 27,893.64, 38,493.07 and 15,146.71 is: 20,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.64 : 38,493.07 = 15,146.71 : x
  2. Step 2: Convert to fraction form
    27,893.64/38,493.07 = 15,146.71/x
  3. Step 3: Cross multiply
    27,893.64x = 38,493.07 × 15,146.71
  4. Step 4: Simplify right side
    27,893.64x = 583,043,175.83
  5. Step 5: Solve for x
    x = 583,043,175.83/27,893.64
  6. Step 6: Final answer
    x = 20,902.37

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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.