Home / 13,553.11-20,333.35-5,653.01

Finding the Fourth Proportional to 13,553.11, 20,333.35 and 5,653.01

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Solution

The fourth proportional to 13,553.11, 20,333.35 and 5,653.01 is: 8,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.11 : 20,333.35 = 5,653.01 : x
  2. Step 2: Convert to fraction form
    13,553.11/20,333.35 = 5,653.01/x
  3. Step 3: Cross multiply
    13,553.11x = 20,333.35 × 5,653.01
  4. Step 4: Simplify right side
    13,553.11x = 114,944,602.62
  5. Step 5: Solve for x
    x = 114,944,602.62/13,553.11
  6. Step 6: Final answer
    x = 8,481.05

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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.