Home / 13,516.53-20,266.05-5,624.48

Finding the Fourth Proportional to 13,516.53, 20,266.05 and 5,624.48

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Solution

The fourth proportional to 13,516.53, 20,266.05 and 5,624.48 is: 8,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.53 : 20,266.05 = 5,624.48 : x
  2. Step 2: Convert to fraction form
    13,516.53/20,266.05 = 5,624.48/x
  3. Step 3: Cross multiply
    13,516.53x = 20,266.05 × 5,624.48
  4. Step 4: Simplify right side
    13,516.53x = 113,985,992.90
  5. Step 5: Solve for x
    x = 113,985,992.90/13,516.53
  6. Step 6: Final answer
    x = 8,433.08

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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.