Home / 17,120.88-25,683.21-7,261.02

Finding the Fourth Proportional to 17,120.88, 25,683.21 and 7,261.02

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Solution

The fourth proportional to 17,120.88, 25,683.21 and 7,261.02 is: 10,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.88 : 25,683.21 = 7,261.02 : x
  2. Step 2: Convert to fraction form
    17,120.88/25,683.21 = 7,261.02/x
  3. Step 3: Cross multiply
    17,120.88x = 25,683.21 × 7,261.02
  4. Step 4: Simplify right side
    17,120.88x = 186,486,301.47
  5. Step 5: Solve for x
    x = 186,486,301.47/17,120.88
  6. Step 6: Final answer
    x = 10,892.33

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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.