Home / 25,270.98-34,872.71-15,197.47

Finding the Fourth Proportional to 25,270.98, 34,872.71 and 15,197.47

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Solution

The fourth proportional to 25,270.98, 34,872.71 and 15,197.47 is: 20,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.98 : 34,872.71 = 15,197.47 : x
  2. Step 2: Convert to fraction form
    25,270.98/34,872.71 = 15,197.47/x
  3. Step 3: Cross multiply
    25,270.98x = 34,872.71 × 15,197.47
  4. Step 4: Simplify right side
    25,270.98x = 529,976,914.86
  5. Step 5: Solve for x
    x = 529,976,914.86/25,270.98
  6. Step 6: Final answer
    x = 20,971.76

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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.