Home / 15,581.39-23,372.10-3,894.62

Finding the Fourth Proportional to 15,581.39, 23,372.10 and 3,894.62

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Solution

The fourth proportional to 15,581.39, 23,372.10 and 3,894.62 is: 5,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.39 : 23,372.10 = 3,894.62 : x
  2. Step 2: Convert to fraction form
    15,581.39/23,372.10 = 3,894.62/x
  3. Step 3: Cross multiply
    15,581.39x = 23,372.10 × 3,894.62
  4. Step 4: Simplify right side
    15,581.39x = 91,025,331.24
  5. Step 5: Solve for x
    x = 91,025,331.24/15,581.39
  6. Step 6: Final answer
    x = 5,841.93

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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.