Home / 13,319.72-19,983.26-5,823.96

Finding the Fourth Proportional to 13,319.72, 19,983.26 and 5,823.96

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Solution

The fourth proportional to 13,319.72, 19,983.26 and 5,823.96 is: 8,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.72 : 19,983.26 = 5,823.96 : x
  2. Step 2: Convert to fraction form
    13,319.72/19,983.26 = 5,823.96/x
  3. Step 3: Cross multiply
    13,319.72x = 19,983.26 × 5,823.96
  4. Step 4: Simplify right side
    13,319.72x = 116,381,706.91
  5. Step 5: Solve for x
    x = 116,381,706.91/13,319.72
  6. Step 6: Final answer
    x = 8,737.55

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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.