Home / 16,322.91-24,491.29-8,918.72

Finding the Fourth Proportional to 16,322.91, 24,491.29 and 8,918.72

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Solution

The fourth proportional to 16,322.91, 24,491.29 and 8,918.72 is: 13,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.91 : 24,491.29 = 8,918.72 : x
  2. Step 2: Convert to fraction form
    16,322.91/24,491.29 = 8,918.72/x
  3. Step 3: Cross multiply
    16,322.91x = 24,491.29 × 8,918.72
  4. Step 4: Simplify right side
    16,322.91x = 218,430,990.64
  5. Step 5: Solve for x
    x = 218,430,990.64/16,322.91
  6. Step 6: Final answer
    x = 13,381.86

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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.