Home / 26,016.12-39,046.05-13,540.50

Finding the Fourth Proportional to 26,016.12, 39,046.05 and 13,540.50

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Solution

The fourth proportional to 26,016.12, 39,046.05 and 13,540.50 is: 20,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,016.12 : 39,046.05 = 13,540.50 : x
  2. Step 2: Convert to fraction form
    26,016.12/39,046.05 = 13,540.50/x
  3. Step 3: Cross multiply
    26,016.12x = 39,046.05 × 13,540.50
  4. Step 4: Simplify right side
    26,016.12x = 528,703,040.03
  5. Step 5: Solve for x
    x = 528,703,040.03/26,016.12
  6. Step 6: Final answer
    x = 20,322.13

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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.