Home / 26,662.32-39,988.56-9,791.64

Finding the Fourth Proportional to 26,662.32, 39,988.56 and 9,791.64

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Solution

The fourth proportional to 26,662.32, 39,988.56 and 9,791.64 is: 14,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.32 : 39,988.56 = 9,791.64 : x
  2. Step 2: Convert to fraction form
    26,662.32/39,988.56 = 9,791.64/x
  3. Step 3: Cross multiply
    26,662.32x = 39,988.56 × 9,791.64
  4. Step 4: Simplify right side
    26,662.32x = 391,553,583.64
  5. Step 5: Solve for x
    x = 391,553,583.64/26,662.32
  6. Step 6: Final answer
    x = 14,685.65

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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.