Home / 17,517.60-26,301-16,724.10

Finding the Fourth Proportional to 17,517.60, 26,301 and 16,724.10

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Solution

The fourth proportional to 17,517.60, 26,301 and 16,724.10 is: 25,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.60 : 26,301 = 16,724.10 : x
  2. Step 2: Convert to fraction form
    17,517.60/26,301 = 16,724.10/x
  3. Step 3: Cross multiply
    17,517.60x = 26,301 × 16,724.10
  4. Step 4: Simplify right side
    17,517.60x = 439,860,554.10
  5. Step 5: Solve for x
    x = 439,860,554.10/17,517.60
  6. Step 6: Final answer
    x = 25,109.64

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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.