Home / 17,254.40-25,881.72-7,385.36

Finding the Fourth Proportional to 17,254.40, 25,881.72 and 7,385.36

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Solution

The fourth proportional to 17,254.40, 25,881.72 and 7,385.36 is: 11,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.40 : 25,881.72 = 7,385.36 : x
  2. Step 2: Convert to fraction form
    17,254.40/25,881.72 = 7,385.36/x
  3. Step 3: Cross multiply
    17,254.40x = 25,881.72 × 7,385.36
  4. Step 4: Simplify right side
    17,254.40x = 191,145,819.62
  5. Step 5: Solve for x
    x = 191,145,819.62/17,254.40
  6. Step 6: Final answer
    x = 11,078.09

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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.