Home / 18,736.04-28,103.52-4,885.04

Finding the Fourth Proportional to 18,736.04, 28,103.52 and 4,885.04

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Solution

The fourth proportional to 18,736.04, 28,103.52 and 4,885.04 is: 7,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.04 : 28,103.52 = 4,885.04 : x
  2. Step 2: Convert to fraction form
    18,736.04/28,103.52 = 4,885.04/x
  3. Step 3: Cross multiply
    18,736.04x = 28,103.52 × 4,885.04
  4. Step 4: Simplify right side
    18,736.04x = 137,286,819.34
  5. Step 5: Solve for x
    x = 137,286,819.34/18,736.04
  6. Step 6: Final answer
    x = 7,327.42

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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.