Home / 23,084.43-31,859.05-13,396.02

Finding the Fourth Proportional to 23,084.43, 31,859.05 and 13,396.02

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Solution

The fourth proportional to 23,084.43, 31,859.05 and 13,396.02 is: 18,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,084.43 : 31,859.05 = 13,396.02 : x
  2. Step 2: Convert to fraction form
    23,084.43/31,859.05 = 13,396.02/x
  3. Step 3: Cross multiply
    23,084.43x = 31,859.05 × 13,396.02
  4. Step 4: Simplify right side
    23,084.43x = 426,784,439.87
  5. Step 5: Solve for x
    x = 426,784,439.87/23,084.43
  6. Step 6: Final answer
    x = 18,487.98

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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.