Home / 19,951.04-29,924.12-5,158.71

Finding the Fourth Proportional to 19,951.04, 29,924.12 and 5,158.71

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Solution

The fourth proportional to 19,951.04, 29,924.12 and 5,158.71 is: 7,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.04 : 29,924.12 = 5,158.71 : x
  2. Step 2: Convert to fraction form
    19,951.04/29,924.12 = 5,158.71/x
  3. Step 3: Cross multiply
    19,951.04x = 29,924.12 × 5,158.71
  4. Step 4: Simplify right side
    19,951.04x = 154,369,906.10
  5. Step 5: Solve for x
    x = 154,369,906.10/19,951.04
  6. Step 6: Final answer
    x = 7,737.44

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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.