Home / 13,245.62-19,868.91-4,011.38

Finding the Fourth Proportional to 13,245.62, 19,868.91 and 4,011.38

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Solution

The fourth proportional to 13,245.62, 19,868.91 and 4,011.38 is: 6,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.62 : 19,868.91 = 4,011.38 : x
  2. Step 2: Convert to fraction form
    13,245.62/19,868.91 = 4,011.38/x
  3. Step 3: Cross multiply
    13,245.62x = 19,868.91 × 4,011.38
  4. Step 4: Simplify right side
    13,245.62x = 79,701,748.20
  5. Step 5: Solve for x
    x = 79,701,748.20/13,245.62
  6. Step 6: Final answer
    x = 6,017.22

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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.