Home / 22,138.62-30,548.58-12,575.04

Finding the Fourth Proportional to 22,138.62, 30,548.58 and 12,575.04

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Solution

The fourth proportional to 22,138.62, 30,548.58 and 12,575.04 is: 17,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.62 : 30,548.58 = 12,575.04 : x
  2. Step 2: Convert to fraction form
    22,138.62/30,548.58 = 12,575.04/x
  3. Step 3: Cross multiply
    22,138.62x = 30,548.58 × 12,575.04
  4. Step 4: Simplify right side
    22,138.62x = 384,149,615.44
  5. Step 5: Solve for x
    x = 384,149,615.44/22,138.62
  6. Step 6: Final answer
    x = 17,352.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.