Home / 25,652.26-38,483.25-8,120.62

Finding the Fourth Proportional to 25,652.26, 38,483.25 and 8,120.62

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Solution

The fourth proportional to 25,652.26, 38,483.25 and 8,120.62 is: 12,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.26 : 38,483.25 = 8,120.62 : x
  2. Step 2: Convert to fraction form
    25,652.26/38,483.25 = 8,120.62/x
  3. Step 3: Cross multiply
    25,652.26x = 38,483.25 × 8,120.62
  4. Step 4: Simplify right side
    25,652.26x = 312,507,849.62
  5. Step 5: Solve for x
    x = 312,507,849.62/25,652.26
  6. Step 6: Final answer
    x = 12,182.47

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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.