Home / 19,372.62-29,055.81-5,518.38

Finding the Fourth Proportional to 19,372.62, 29,055.81 and 5,518.38

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Solution

The fourth proportional to 19,372.62, 29,055.81 and 5,518.38 is: 8,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.62 : 29,055.81 = 5,518.38 : x
  2. Step 2: Convert to fraction form
    19,372.62/29,055.81 = 5,518.38/x
  3. Step 3: Cross multiply
    19,372.62x = 29,055.81 × 5,518.38
  4. Step 4: Simplify right side
    19,372.62x = 160,341,000.79
  5. Step 5: Solve for x
    x = 160,341,000.79/19,372.62
  6. Step 6: Final answer
    x = 8,276.68

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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.