Home / 16,490.46-24,720.14-5,389.38

Finding the Fourth Proportional to 16,490.46, 24,720.14 and 5,389.38

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Solution

The fourth proportional to 16,490.46, 24,720.14 and 5,389.38 is: 8,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.46 : 24,720.14 = 5,389.38 : x
  2. Step 2: Convert to fraction form
    16,490.46/24,720.14 = 5,389.38/x
  3. Step 3: Cross multiply
    16,490.46x = 24,720.14 × 5,389.38
  4. Step 4: Simplify right side
    16,490.46x = 133,226,201.17
  5. Step 5: Solve for x
    x = 133,226,201.17/16,490.46
  6. Step 6: Final answer
    x = 8,078.99

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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.