Home / 17,247.90-25,871.65-12,161.14

Finding the Fourth Proportional to 17,247.90, 25,871.65 and 12,161.14

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Solution

The fourth proportional to 17,247.90, 25,871.65 and 12,161.14 is: 18,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.90 : 25,871.65 = 12,161.14 : x
  2. Step 2: Convert to fraction form
    17,247.90/25,871.65 = 12,161.14/x
  3. Step 3: Cross multiply
    17,247.90x = 25,871.65 × 12,161.14
  4. Step 4: Simplify right side
    17,247.90x = 314,628,757.68
  5. Step 5: Solve for x
    x = 314,628,757.68/17,247.90
  6. Step 6: Final answer
    x = 18,241.57

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1.5x scale

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.