Home / 27,893.61-38,493.18-15,146.73

Finding the Fourth Proportional to 27,893.61, 38,493.18 and 15,146.73

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Solution

The fourth proportional to 27,893.61, 38,493.18 and 15,146.73 is: 20,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.61 : 38,493.18 = 15,146.73 : x
  2. Step 2: Convert to fraction form
    27,893.61/38,493.18 = 15,146.73/x
  3. Step 3: Cross multiply
    27,893.61x = 38,493.18 × 15,146.73
  4. Step 4: Simplify right side
    27,893.61x = 583,045,804.30
  5. Step 5: Solve for x
    x = 583,045,804.30/27,893.61
  6. Step 6: Final answer
    x = 20,902.49

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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.