Home / 26,930.69-40,414.47-9,400.51

Finding the Fourth Proportional to 26,930.69, 40,414.47 and 9,400.51

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Solution

The fourth proportional to 26,930.69, 40,414.47 and 9,400.51 is: 14,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.69 : 40,414.47 = 9,400.51 : x
  2. Step 2: Convert to fraction form
    26,930.69/40,414.47 = 9,400.51/x
  3. Step 3: Cross multiply
    26,930.69x = 40,414.47 × 9,400.51
  4. Step 4: Simplify right side
    26,930.69x = 379,916,528.34
  5. Step 5: Solve for x
    x = 379,916,528.34/26,930.69
  6. Step 6: Final answer
    x = 14,107.20

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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.