Home / 26,553.15-39,796.92-13,409.28

Finding the Fourth Proportional to 26,553.15, 39,796.92 and 13,409.28

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Solution

The fourth proportional to 26,553.15, 39,796.92 and 13,409.28 is: 20,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.15 : 39,796.92 = 13,409.28 : x
  2. Step 2: Convert to fraction form
    26,553.15/39,796.92 = 13,409.28/x
  3. Step 3: Cross multiply
    26,553.15x = 39,796.92 × 13,409.28
  4. Step 4: Simplify right side
    26,553.15x = 533,648,043.42
  5. Step 5: Solve for x
    x = 533,648,043.42/26,553.15
  6. Step 6: Final answer
    x = 20,097.35

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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.