Home / 15,986.43-22,034.84-10,679.31

Finding the Fourth Proportional to 15,986.43, 22,034.84 and 10,679.31

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Solution

The fourth proportional to 15,986.43, 22,034.84 and 10,679.31 is: 14,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.43 : 22,034.84 = 10,679.31 : x
  2. Step 2: Convert to fraction form
    15,986.43/22,034.84 = 10,679.31/x
  3. Step 3: Cross multiply
    15,986.43x = 22,034.84 × 10,679.31
  4. Step 4: Simplify right side
    15,986.43x = 235,316,833.76
  5. Step 5: Solve for x
    x = 235,316,833.76/15,986.43
  6. Step 6: Final answer
    x = 14,719.79

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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.