Home / 15,859.64-23,781.36-5,326.04

Finding the Fourth Proportional to 15,859.64, 23,781.36 and 5,326.04

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Solution

The fourth proportional to 15,859.64, 23,781.36 and 5,326.04 is: 7,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.64 : 23,781.36 = 5,326.04 : x
  2. Step 2: Convert to fraction form
    15,859.64/23,781.36 = 5,326.04/x
  3. Step 3: Cross multiply
    15,859.64x = 23,781.36 × 5,326.04
  4. Step 4: Simplify right side
    15,859.64x = 126,660,474.61
  5. Step 5: Solve for x
    x = 126,660,474.61/15,859.64
  6. Step 6: Final answer
    x = 7,986.34

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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.