Home / 23,712.78-32,723.67-13,641.90

Finding the Fourth Proportional to 23,712.78, 32,723.67 and 13,641.90

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Solution

The fourth proportional to 23,712.78, 32,723.67 and 13,641.90 is: 18,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.78 : 32,723.67 = 13,641.90 : x
  2. Step 2: Convert to fraction form
    23,712.78/32,723.67 = 13,641.90/x
  3. Step 3: Cross multiply
    23,712.78x = 32,723.67 × 13,641.90
  4. Step 4: Simplify right side
    23,712.78x = 446,413,033.77
  5. Step 5: Solve for x
    x = 446,413,033.77/23,712.78
  6. Step 6: Final answer
    x = 18,825.84

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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.