Home / 15,486.76-23,229.87-5,098.60

Finding the Fourth Proportional to 15,486.76, 23,229.87 and 5,098.60

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Solution

The fourth proportional to 15,486.76, 23,229.87 and 5,098.60 is: 7,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.76 : 23,229.87 = 5,098.60 : x
  2. Step 2: Convert to fraction form
    15,486.76/23,229.87 = 5,098.60/x
  3. Step 3: Cross multiply
    15,486.76x = 23,229.87 × 5,098.60
  4. Step 4: Simplify right side
    15,486.76x = 118,439,815.18
  5. Step 5: Solve for x
    x = 118,439,815.18/15,486.76
  6. Step 6: Final answer
    x = 7,647.81

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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.