Home / 26,654.76-39,979.71-9,122.58

Finding the Fourth Proportional to 26,654.76, 39,979.71 and 9,122.58

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Solution

The fourth proportional to 26,654.76, 39,979.71 and 9,122.58 is: 13,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,654.76 : 39,979.71 = 9,122.58 : x
  2. Step 2: Convert to fraction form
    26,654.76/39,979.71 = 9,122.58/x
  3. Step 3: Cross multiply
    26,654.76x = 39,979.71 × 9,122.58
  4. Step 4: Simplify right side
    26,654.76x = 364,718,102.85
  5. Step 5: Solve for x
    x = 364,718,102.85/26,654.76
  6. Step 6: Final answer
    x = 13,683.04

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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.