Home / 15,785.39-23,640.37-8,747.94

Finding the Fourth Proportional to 15,785.39, 23,640.37 and 8,747.94

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Solution

The fourth proportional to 15,785.39, 23,640.37 and 8,747.94 is: 13,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.39 : 23,640.37 = 8,747.94 : x
  2. Step 2: Convert to fraction form
    15,785.39/23,640.37 = 8,747.94/x
  3. Step 3: Cross multiply
    15,785.39x = 23,640.37 × 8,747.94
  4. Step 4: Simplify right side
    15,785.39x = 206,804,516.47
  5. Step 5: Solve for x
    x = 206,804,516.47/15,785.39
  6. Step 6: Final answer
    x = 13,101.01

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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.