Home / 28,586.30-39,434.58-19,504.85

Finding the Fourth Proportional to 28,586.30, 39,434.58 and 19,504.85

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Solution

The fourth proportional to 28,586.30, 39,434.58 and 19,504.85 is: 26,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.30 : 39,434.58 = 19,504.85 : x
  2. Step 2: Convert to fraction form
    28,586.30/39,434.58 = 19,504.85/x
  3. Step 3: Cross multiply
    28,586.30x = 39,434.58 × 19,504.85
  4. Step 4: Simplify right side
    28,586.30x = 769,165,370.54
  5. Step 5: Solve for x
    x = 769,165,370.54/28,586.30
  6. Step 6: Final answer
    x = 26,906.79

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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.