Home / 15,933.54-21,982.41-9,643.62

Finding the Fourth Proportional to 15,933.54, 21,982.41 and 9,643.62

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Solution

The fourth proportional to 15,933.54, 21,982.41 and 9,643.62 is: 13,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.54 : 21,982.41 = 9,643.62 : x
  2. Step 2: Convert to fraction form
    15,933.54/21,982.41 = 9,643.62/x
  3. Step 3: Cross multiply
    15,933.54x = 21,982.41 × 9,643.62
  4. Step 4: Simplify right side
    15,933.54x = 211,990,008.72
  5. Step 5: Solve for x
    x = 211,990,008.72/15,933.54
  6. Step 6: Final answer
    x = 13,304.64

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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.