Home / 25,265.36-34,879.86-15,196.04

Finding the Fourth Proportional to 25,265.36, 34,879.86 and 15,196.04

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Solution

The fourth proportional to 25,265.36, 34,879.86 and 15,196.04 is: 20,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.36 : 34,879.86 = 15,196.04 : x
  2. Step 2: Convert to fraction form
    25,265.36/34,879.86 = 15,196.04/x
  3. Step 3: Cross multiply
    25,265.36x = 34,879.86 × 15,196.04
  4. Step 4: Simplify right side
    25,265.36x = 530,035,840.62
  5. Step 5: Solve for x
    x = 530,035,840.62/25,265.36
  6. Step 6: Final answer
    x = 20,978.76

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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.