Home / 17,321.54-25,979.70-4,840.25

Finding the Fourth Proportional to 17,321.54, 25,979.70 and 4,840.25

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Solution

The fourth proportional to 17,321.54, 25,979.70 and 4,840.25 is: 7,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.54 : 25,979.70 = 4,840.25 : x
  2. Step 2: Convert to fraction form
    17,321.54/25,979.70 = 4,840.25/x
  3. Step 3: Cross multiply
    17,321.54x = 25,979.70 × 4,840.25
  4. Step 4: Simplify right side
    17,321.54x = 125,748,242.93
  5. Step 5: Solve for x
    x = 125,748,242.93/17,321.54
  6. Step 6: Final answer
    x = 7,259.65

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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.