Home / 15,872.39-23,809.34-13,093.91

Finding the Fourth Proportional to 15,872.39, 23,809.34 and 13,093.91

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Solution

The fourth proportional to 15,872.39, 23,809.34 and 13,093.91 is: 19,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.39 : 23,809.34 = 13,093.91 : x
  2. Step 2: Convert to fraction form
    15,872.39/23,809.34 = 13,093.91/x
  3. Step 3: Cross multiply
    15,872.39x = 23,809.34 × 13,093.91
  4. Step 4: Simplify right side
    15,872.39x = 311,757,358.09
  5. Step 5: Solve for x
    x = 311,757,358.09/15,872.39
  6. Step 6: Final answer
    x = 19,641.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.