Home / 16,991.18-25,449.87-10,397.42

Finding the Fourth Proportional to 16,991.18, 25,449.87 and 10,397.42

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Solution

The fourth proportional to 16,991.18, 25,449.87 and 10,397.42 is: 15,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.18 : 25,449.87 = 10,397.42 : x
  2. Step 2: Convert to fraction form
    16,991.18/25,449.87 = 10,397.42/x
  3. Step 3: Cross multiply
    16,991.18x = 25,449.87 × 10,397.42
  4. Step 4: Simplify right side
    16,991.18x = 264,612,987.34
  5. Step 5: Solve for x
    x = 264,612,987.34/16,991.18
  6. Step 6: Final answer
    x = 15,573.55

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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.