Home / 25,022.64-34,531.11-13,691.94

Finding the Fourth Proportional to 25,022.64, 34,531.11 and 13,691.94

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Solution

The fourth proportional to 25,022.64, 34,531.11 and 13,691.94 is: 18,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,022.64 : 34,531.11 = 13,691.94 : x
  2. Step 2: Convert to fraction form
    25,022.64/34,531.11 = 13,691.94/x
  3. Step 3: Cross multiply
    25,022.64x = 34,531.11 × 13,691.94
  4. Step 4: Simplify right side
    25,022.64x = 472,797,886.25
  5. Step 5: Solve for x
    x = 472,797,886.25/25,022.64
  6. Step 6: Final answer
    x = 18,894.80

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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.