Home / 13,653.77-20,481.06-5,333.45

Finding the Fourth Proportional to 13,653.77, 20,481.06 and 5,333.45

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Solution

The fourth proportional to 13,653.77, 20,481.06 and 5,333.45 is: 8,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.77 : 20,481.06 = 5,333.45 : x
  2. Step 2: Convert to fraction form
    13,653.77/20,481.06 = 5,333.45/x
  3. Step 3: Cross multiply
    13,653.77x = 20,481.06 × 5,333.45
  4. Step 4: Simplify right side
    13,653.77x = 109,234,709.46
  5. Step 5: Solve for x
    x = 109,234,709.46/13,653.77
  6. Step 6: Final answer
    x = 8,000.33

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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.