Home / 26,103.56-39,171.80-13,646.04

Finding the Fourth Proportional to 26,103.56, 39,171.80 and 13,646.04

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Solution

The fourth proportional to 26,103.56, 39,171.80 and 13,646.04 is: 20,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.56 : 39,171.80 = 13,646.04 : x
  2. Step 2: Convert to fraction form
    26,103.56/39,171.80 = 13,646.04/x
  3. Step 3: Cross multiply
    26,103.56x = 39,171.80 × 13,646.04
  4. Step 4: Simplify right side
    26,103.56x = 534,539,949.67
  5. Step 5: Solve for x
    x = 534,539,949.67/26,103.56
  6. Step 6: Final answer
    x = 20,477.66

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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.