Home / 25,010.27-34,515.05-13,679.09

Finding the Fourth Proportional to 25,010.27, 34,515.05 and 13,679.09

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Solution

The fourth proportional to 25,010.27, 34,515.05 and 13,679.09 is: 18,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.27 : 34,515.05 = 13,679.09 : x
  2. Step 2: Convert to fraction form
    25,010.27/34,515.05 = 13,679.09/x
  3. Step 3: Cross multiply
    25,010.27x = 34,515.05 × 13,679.09
  4. Step 4: Simplify right side
    25,010.27x = 472,134,234.33
  5. Step 5: Solve for x
    x = 472,134,234.33/25,010.27
  6. Step 6: Final answer
    x = 18,877.62

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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.