Home / 23,486.72-35,224.96-7,904

Finding the Fourth Proportional to 23,486.72, 35,224.96 and 7,904

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Solution

The fourth proportional to 23,486.72, 35,224.96 and 7,904 is: 11,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.72 : 35,224.96 = 7,904 : x
  2. Step 2: Convert to fraction form
    23,486.72/35,224.96 = 7,904/x
  3. Step 3: Cross multiply
    23,486.72x = 35,224.96 × 7,904
  4. Step 4: Simplify right side
    23,486.72x = 278,418,083.84
  5. Step 5: Solve for x
    x = 278,418,083.84/23,486.72
  6. Step 6: Final answer
    x = 11,854.28

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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.