Home / 25,466.06-38,200.12-12,132.20

Finding the Fourth Proportional to 25,466.06, 38,200.12 and 12,132.20

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Solution

The fourth proportional to 25,466.06, 38,200.12 and 12,132.20 is: 18,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.06 : 38,200.12 = 12,132.20 : x
  2. Step 2: Convert to fraction form
    25,466.06/38,200.12 = 12,132.20/x
  3. Step 3: Cross multiply
    25,466.06x = 38,200.12 × 12,132.20
  4. Step 4: Simplify right side
    25,466.06x = 463,451,495.86
  5. Step 5: Solve for x
    x = 463,451,495.86/25,466.06
  6. Step 6: Final answer
    x = 18,198.79

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1.5x scale

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.