Home / 25,203.23-34,780.18-13,872.48

Finding the Fourth Proportional to 25,203.23, 34,780.18 and 13,872.48

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Solution

The fourth proportional to 25,203.23, 34,780.18 and 13,872.48 is: 19,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.23 : 34,780.18 = 13,872.48 : x
  2. Step 2: Convert to fraction form
    25,203.23/34,780.18 = 13,872.48/x
  3. Step 3: Cross multiply
    25,203.23x = 34,780.18 × 13,872.48
  4. Step 4: Simplify right side
    25,203.23x = 482,487,316.77
  5. Step 5: Solve for x
    x = 482,487,316.77/25,203.23
  6. Step 6: Final answer
    x = 19,143.87

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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.