Home / 25,175.16-34,741.15-13,689.82

Finding the Fourth Proportional to 25,175.16, 34,741.15 and 13,689.82

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Solution

The fourth proportional to 25,175.16, 34,741.15 and 13,689.82 is: 18,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.16 : 34,741.15 = 13,689.82 : x
  2. Step 2: Convert to fraction form
    25,175.16/34,741.15 = 13,689.82/x
  3. Step 3: Cross multiply
    25,175.16x = 34,741.15 × 13,689.82
  4. Step 4: Simplify right side
    25,175.16x = 475,600,090.09
  5. Step 5: Solve for x
    x = 475,600,090.09/25,175.16
  6. Step 6: Final answer
    x = 18,891.64

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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.