Home / 18,187.52-27,287.04-6,503.36

Finding the Fourth Proportional to 18,187.52, 27,287.04 and 6,503.36

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Solution

The fourth proportional to 18,187.52, 27,287.04 and 6,503.36 is: 9,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.52 : 27,287.04 = 6,503.36 : x
  2. Step 2: Convert to fraction form
    18,187.52/27,287.04 = 6,503.36/x
  3. Step 3: Cross multiply
    18,187.52x = 27,287.04 × 6,503.36
  4. Step 4: Simplify right side
    18,187.52x = 177,457,444.45
  5. Step 5: Solve for x
    x = 177,457,444.45/18,187.52
  6. Step 6: Final answer
    x = 9,757.10

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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.