Home / 13,501.04-20,249.12-3,638.01

Finding the Fourth Proportional to 13,501.04, 20,249.12 and 3,638.01

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Solution

The fourth proportional to 13,501.04, 20,249.12 and 3,638.01 is: 5,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.04 : 20,249.12 = 3,638.01 : x
  2. Step 2: Convert to fraction form
    13,501.04/20,249.12 = 3,638.01/x
  3. Step 3: Cross multiply
    13,501.04x = 20,249.12 × 3,638.01
  4. Step 4: Simplify right side
    13,501.04x = 73,666,586.08
  5. Step 5: Solve for x
    x = 73,666,586.08/13,501.04
  6. Step 6: Final answer
    x = 5,456.36

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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.