Home / 25,679.08-38,522.46-8,149.48

Finding the Fourth Proportional to 25,679.08, 38,522.46 and 8,149.48

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Solution

The fourth proportional to 25,679.08, 38,522.46 and 8,149.48 is: 12,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.08 : 38,522.46 = 8,149.48 : x
  2. Step 2: Convert to fraction form
    25,679.08/38,522.46 = 8,149.48/x
  3. Step 3: Cross multiply
    25,679.08x = 38,522.46 × 8,149.48
  4. Step 4: Simplify right side
    25,679.08x = 313,938,017.32
  5. Step 5: Solve for x
    x = 313,938,017.32/25,679.08
  6. Step 6: Final answer
    x = 12,225.44

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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.