Home / 18,416.04-27,625-5,270.36

Finding the Fourth Proportional to 18,416.04, 27,625 and 5,270.36

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Solution

The fourth proportional to 18,416.04, 27,625 and 5,270.36 is: 7,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.04 : 27,625 = 5,270.36 : x
  2. Step 2: Convert to fraction form
    18,416.04/27,625 = 5,270.36/x
  3. Step 3: Cross multiply
    18,416.04x = 27,625 × 5,270.36
  4. Step 4: Simplify right side
    18,416.04x = 145,593,695
  5. Step 5: Solve for x
    x = 145,593,695/18,416.04
  6. Step 6: Final answer
    x = 7,905.81

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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.