Home / 26,564.20-39,932.70-18,826.60

Finding the Fourth Proportional to 26,564.20, 39,932.70 and 18,826.60

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Solution

The fourth proportional to 26,564.20, 39,932.70 and 18,826.60 is: 28,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,564.20 : 39,932.70 = 18,826.60 : x
  2. Step 2: Convert to fraction form
    26,564.20/39,932.70 = 18,826.60/x
  3. Step 3: Cross multiply
    26,564.20x = 39,932.70 × 18,826.60
  4. Step 4: Simplify right side
    26,564.20x = 751,796,969.82
  5. Step 5: Solve for x
    x = 751,796,969.82/26,564.20
  6. Step 6: Final answer
    x = 28,301.13

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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.