Home / 17,018.65-25,530.60-5,330.75

Finding the Fourth Proportional to 17,018.65, 25,530.60 and 5,330.75

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Solution

The fourth proportional to 17,018.65, 25,530.60 and 5,330.75 is: 7,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.65 : 25,530.60 = 5,330.75 : x
  2. Step 2: Convert to fraction form
    17,018.65/25,530.60 = 5,330.75/x
  3. Step 3: Cross multiply
    17,018.65x = 25,530.60 × 5,330.75
  4. Step 4: Simplify right side
    17,018.65x = 136,097,245.95
  5. Step 5: Solve for x
    x = 136,097,245.95/17,018.65
  6. Step 6: Final answer
    x = 7,996.95

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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.