Home / 16,730.93-25,098.72-5,640.80

Finding the Fourth Proportional to 16,730.93, 25,098.72 and 5,640.80

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Solution

The fourth proportional to 16,730.93, 25,098.72 and 5,640.80 is: 8,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.93 : 25,098.72 = 5,640.80 : x
  2. Step 2: Convert to fraction form
    16,730.93/25,098.72 = 5,640.80/x
  3. Step 3: Cross multiply
    16,730.93x = 25,098.72 × 5,640.80
  4. Step 4: Simplify right side
    16,730.93x = 141,576,713.13
  5. Step 5: Solve for x
    x = 141,576,713.13/16,730.93
  6. Step 6: Final answer
    x = 8,461.97

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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.