Home / 13,475.08-20,211.90-3,614.20

Finding the Fourth Proportional to 13,475.08, 20,211.90 and 3,614.20

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Solution

The fourth proportional to 13,475.08, 20,211.90 and 3,614.20 is: 5,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.08 : 20,211.90 = 3,614.20 : x
  2. Step 2: Convert to fraction form
    13,475.08/20,211.90 = 3,614.20/x
  3. Step 3: Cross multiply
    13,475.08x = 20,211.90 × 3,614.20
  4. Step 4: Simplify right side
    13,475.08x = 73,049,848.98
  5. Step 5: Solve for x
    x = 73,049,848.98/13,475.08
  6. Step 6: Final answer
    x = 5,421.11

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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.