Home / 18,204.65-27,317.59-7,674.02

Finding the Fourth Proportional to 18,204.65, 27,317.59 and 7,674.02

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Solution

The fourth proportional to 18,204.65, 27,317.59 and 7,674.02 is: 11,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.65 : 27,317.59 = 7,674.02 : x
  2. Step 2: Convert to fraction form
    18,204.65/27,317.59 = 7,674.02/x
  3. Step 3: Cross multiply
    18,204.65x = 27,317.59 × 7,674.02
  4. Step 4: Simplify right side
    18,204.65x = 209,635,832.34
  5. Step 5: Solve for x
    x = 209,635,832.34/18,204.65
  6. Step 6: Final answer
    x = 11,515.51

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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.