Home / 13,635.10-20,452.90-4,274.91

Finding the Fourth Proportional to 13,635.10, 20,452.90 and 4,274.91

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Solution

The fourth proportional to 13,635.10, 20,452.90 and 4,274.91 is: 6,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.10 : 20,452.90 = 4,274.91 : x
  2. Step 2: Convert to fraction form
    13,635.10/20,452.90 = 4,274.91/x
  3. Step 3: Cross multiply
    13,635.10x = 20,452.90 × 4,274.91
  4. Step 4: Simplify right side
    13,635.10x = 87,434,306.74
  5. Step 5: Solve for x
    x = 87,434,306.74/13,635.10
  6. Step 6: Final answer
    x = 6,412.44

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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.