Home / 19,951.22-29,924.38-5,158.89

Finding the Fourth Proportional to 19,951.22, 29,924.38 and 5,158.89

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Solution

The fourth proportional to 19,951.22, 29,924.38 and 5,158.89 is: 7,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.22 : 29,924.38 = 5,158.89 : x
  2. Step 2: Convert to fraction form
    19,951.22/29,924.38 = 5,158.89/x
  3. Step 3: Cross multiply
    19,951.22x = 29,924.38 × 5,158.89
  4. Step 4: Simplify right side
    19,951.22x = 154,376,584.74
  5. Step 5: Solve for x
    x = 154,376,584.74/19,951.22
  6. Step 6: Final answer
    x = 7,737.70

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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.