Home / 25,648.49-38,468.87-8,116.04

Finding the Fourth Proportional to 25,648.49, 38,468.87 and 8,116.04

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Solution

The fourth proportional to 25,648.49, 38,468.87 and 8,116.04 is: 12,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.49 : 38,468.87 = 8,116.04 : x
  2. Step 2: Convert to fraction form
    25,648.49/38,468.87 = 8,116.04/x
  3. Step 3: Cross multiply
    25,648.49x = 38,468.87 × 8,116.04
  4. Step 4: Simplify right side
    25,648.49x = 312,214,887.67
  5. Step 5: Solve for x
    x = 312,214,887.67/25,648.49
  6. Step 6: Final answer
    x = 12,172.84

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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.