Home / 16,291.13-24,428.50-7,958.66

Finding the Fourth Proportional to 16,291.13, 24,428.50 and 7,958.66

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Solution

The fourth proportional to 16,291.13, 24,428.50 and 7,958.66 is: 11,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.13 : 24,428.50 = 7,958.66 : x
  2. Step 2: Convert to fraction form
    16,291.13/24,428.50 = 7,958.66/x
  3. Step 3: Cross multiply
    16,291.13x = 24,428.50 × 7,958.66
  4. Step 4: Simplify right side
    16,291.13x = 194,418,166.98
  5. Step 5: Solve for x
    x = 194,418,166.98/16,291.13
  6. Step 6: Final answer
    x = 11,933.99

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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.