Home / 17,009.55-25,510.68-5,321.25

Finding the Fourth Proportional to 17,009.55, 25,510.68 and 5,321.25

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Solution

The fourth proportional to 17,009.55, 25,510.68 and 5,321.25 is: 7,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.55 : 25,510.68 = 5,321.25 : x
  2. Step 2: Convert to fraction form
    17,009.55/25,510.68 = 5,321.25/x
  3. Step 3: Cross multiply
    17,009.55x = 25,510.68 × 5,321.25
  4. Step 4: Simplify right side
    17,009.55x = 135,748,705.95
  5. Step 5: Solve for x
    x = 135,748,705.95/17,009.55
  6. Step 6: Final answer
    x = 7,980.73

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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.