Home / 13,305.52-19,956.66-3,443.98

Finding the Fourth Proportional to 13,305.52, 19,956.66 and 3,443.98

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Solution

The fourth proportional to 13,305.52, 19,956.66 and 3,443.98 is: 5,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.52 : 19,956.66 = 3,443.98 : x
  2. Step 2: Convert to fraction form
    13,305.52/19,956.66 = 3,443.98/x
  3. Step 3: Cross multiply
    13,305.52x = 19,956.66 × 3,443.98
  4. Step 4: Simplify right side
    13,305.52x = 68,730,337.91
  5. Step 5: Solve for x
    x = 68,730,337.91/13,305.52
  6. Step 6: Final answer
    x = 5,165.55

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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.