Home / 13,824.04-20,736.54-5,508.04

Finding the Fourth Proportional to 13,824.04, 20,736.54 and 5,508.04

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Solution

The fourth proportional to 13,824.04, 20,736.54 and 5,508.04 is: 8,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.04 : 20,736.54 = 5,508.04 : x
  2. Step 2: Convert to fraction form
    13,824.04/20,736.54 = 5,508.04/x
  3. Step 3: Cross multiply
    13,824.04x = 20,736.54 × 5,508.04
  4. Step 4: Simplify right side
    13,824.04x = 114,217,691.78
  5. Step 5: Solve for x
    x = 114,217,691.78/13,824.04
  6. Step 6: Final answer
    x = 8,262.25

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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.