Home / 25,517.94-38,195.01-13,642.02

Finding the Fourth Proportional to 25,517.94, 38,195.01 and 13,642.02

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Solution

The fourth proportional to 25,517.94, 38,195.01 and 13,642.02 is: 20,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.94 : 38,195.01 = 13,642.02 : x
  2. Step 2: Convert to fraction form
    25,517.94/38,195.01 = 13,642.02/x
  3. Step 3: Cross multiply
    25,517.94x = 38,195.01 × 13,642.02
  4. Step 4: Simplify right side
    25,517.94x = 521,057,090.32
  5. Step 5: Solve for x
    x = 521,057,090.32/25,517.94
  6. Step 6: Final answer
    x = 20,419.25

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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.