Home / 25,190.42-34,765.04-13,862.12

Finding the Fourth Proportional to 25,190.42, 34,765.04 and 13,862.12

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Solution

The fourth proportional to 25,190.42, 34,765.04 and 13,862.12 is: 19,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.42 : 34,765.04 = 13,862.12 : x
  2. Step 2: Convert to fraction form
    25,190.42/34,765.04 = 13,862.12/x
  3. Step 3: Cross multiply
    25,190.42x = 34,765.04 × 13,862.12
  4. Step 4: Simplify right side
    25,190.42x = 481,917,017.11
  5. Step 5: Solve for x
    x = 481,917,017.11/25,190.42
  6. Step 6: Final answer
    x = 19,130.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.