Home / 15,170.61-22,837.82-13,644.77

Finding the Fourth Proportional to 15,170.61, 22,837.82 and 13,644.77

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Solution

The fourth proportional to 15,170.61, 22,837.82 and 13,644.77 is: 20,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.61 : 22,837.82 = 13,644.77 : x
  2. Step 2: Convert to fraction form
    15,170.61/22,837.82 = 13,644.77/x
  3. Step 3: Cross multiply
    15,170.61x = 22,837.82 × 13,644.77
  4. Step 4: Simplify right side
    15,170.61x = 311,616,618.79
  5. Step 5: Solve for x
    x = 311,616,618.79/15,170.61
  6. Step 6: Final answer
    x = 20,540.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.