Home / 26,436.25-39,633.36-13,099.87

Finding the Fourth Proportional to 26,436.25, 39,633.36 and 13,099.87

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Solution

The fourth proportional to 26,436.25, 39,633.36 and 13,099.87 is: 19,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.25 : 39,633.36 = 13,099.87 : x
  2. Step 2: Convert to fraction form
    26,436.25/39,633.36 = 13,099.87/x
  3. Step 3: Cross multiply
    26,436.25x = 39,633.36 × 13,099.87
  4. Step 4: Simplify right side
    26,436.25x = 519,191,863.66
  5. Step 5: Solve for x
    x = 519,191,863.66/26,436.25
  6. Step 6: Final answer
    x = 19,639.39

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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.