Home / 26,558.41-39,862.25-13,420.01

Finding the Fourth Proportional to 26,558.41, 39,862.25 and 13,420.01

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Solution

The fourth proportional to 26,558.41, 39,862.25 and 13,420.01 is: 20,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.41 : 39,862.25 = 13,420.01 : x
  2. Step 2: Convert to fraction form
    26,558.41/39,862.25 = 13,420.01/x
  3. Step 3: Cross multiply
    26,558.41x = 39,862.25 × 13,420.01
  4. Step 4: Simplify right side
    26,558.41x = 534,951,793.62
  5. Step 5: Solve for x
    x = 534,951,793.62/26,558.41
  6. Step 6: Final answer
    x = 20,142.46

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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.