Home / 19,595.25-27,049.20-13,630.38

Finding the Fourth Proportional to 19,595.25, 27,049.20 and 13,630.38

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Solution

The fourth proportional to 19,595.25, 27,049.20 and 13,630.38 is: 18,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.25 : 27,049.20 = 13,630.38 : x
  2. Step 2: Convert to fraction form
    19,595.25/27,049.20 = 13,630.38/x
  3. Step 3: Cross multiply
    19,595.25x = 27,049.20 × 13,630.38
  4. Step 4: Simplify right side
    19,595.25x = 368,690,806.54
  5. Step 5: Solve for x
    x = 368,690,806.54/19,595.25
  6. Step 6: Final answer
    x = 18,815.32

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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.