Home / 17,261.30-25,892.53-4,781.45

Finding the Fourth Proportional to 17,261.30, 25,892.53 and 4,781.45

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Solution

The fourth proportional to 17,261.30, 25,892.53 and 4,781.45 is: 7,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.30 : 25,892.53 = 4,781.45 : x
  2. Step 2: Convert to fraction form
    17,261.30/25,892.53 = 4,781.45/x
  3. Step 3: Cross multiply
    17,261.30x = 25,892.53 × 4,781.45
  4. Step 4: Simplify right side
    17,261.30x = 123,803,890.35
  5. Step 5: Solve for x
    x = 123,803,890.35/17,261.30
  6. Step 6: Final answer
    x = 7,172.34

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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.