Home / 13,271.55-19,919.62-6,702.35

Finding the Fourth Proportional to 13,271.55, 19,919.62 and 6,702.35

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Solution

The fourth proportional to 13,271.55, 19,919.62 and 6,702.35 is: 10,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.55 : 19,919.62 = 6,702.35 : x
  2. Step 2: Convert to fraction form
    13,271.55/19,919.62 = 6,702.35/x
  3. Step 3: Cross multiply
    13,271.55x = 19,919.62 × 6,702.35
  4. Step 4: Simplify right side
    13,271.55x = 133,508,173.89
  5. Step 5: Solve for x
    x = 133,508,173.89/13,271.55
  6. Step 6: Final answer
    x = 10,059.73

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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.