Home / 25,841.96-38,731.78-13,355.27

Finding the Fourth Proportional to 25,841.96, 38,731.78 and 13,355.27

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Solution

The fourth proportional to 25,841.96, 38,731.78 and 13,355.27 is: 20,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.96 : 38,731.78 = 13,355.27 : x
  2. Step 2: Convert to fraction form
    25,841.96/38,731.78 = 13,355.27/x
  3. Step 3: Cross multiply
    25,841.96x = 38,731.78 × 13,355.27
  4. Step 4: Simplify right side
    25,841.96x = 517,273,379.48
  5. Step 5: Solve for x
    x = 517,273,379.48/25,841.96
  6. Step 6: Final answer
    x = 20,016.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.