Home / 25,103.27-34,678.56-20,060.89

Finding the Fourth Proportional to 25,103.27, 34,678.56 and 20,060.89

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Solution

The fourth proportional to 25,103.27, 34,678.56 and 20,060.89 is: 27,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.27 : 34,678.56 = 20,060.89 : x
  2. Step 2: Convert to fraction form
    25,103.27/34,678.56 = 20,060.89/x
  3. Step 3: Cross multiply
    25,103.27x = 34,678.56 × 20,060.89
  4. Step 4: Simplify right side
    25,103.27x = 695,682,766.05
  5. Step 5: Solve for x
    x = 695,682,766.05/25,103.27
  6. Step 6: Final answer
    x = 27,712.83

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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.