Home / 15,717.43-23,548.38-8,305.48

Finding the Fourth Proportional to 15,717.43, 23,548.38 and 8,305.48

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Solution

The fourth proportional to 15,717.43, 23,548.38 and 8,305.48 is: 12,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.43 : 23,548.38 = 8,305.48 : x
  2. Step 2: Convert to fraction form
    15,717.43/23,548.38 = 8,305.48/x
  3. Step 3: Cross multiply
    15,717.43x = 23,548.38 × 8,305.48
  4. Step 4: Simplify right side
    15,717.43x = 195,580,599.12
  5. Step 5: Solve for x
    x = 195,580,599.12/15,717.43
  6. Step 6: Final answer
    x = 12,443.55

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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.