Home / 15,972.54-23,958.81-4,286.94

Finding the Fourth Proportional to 15,972.54, 23,958.81 and 4,286.94

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Solution

The fourth proportional to 15,972.54, 23,958.81 and 4,286.94 is: 6,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.54 : 23,958.81 = 4,286.94 : x
  2. Step 2: Convert to fraction form
    15,972.54/23,958.81 = 4,286.94/x
  3. Step 3: Cross multiply
    15,972.54x = 23,958.81 × 4,286.94
  4. Step 4: Simplify right side
    15,972.54x = 102,709,980.94
  5. Step 5: Solve for x
    x = 102,709,980.94/15,972.54
  6. Step 6: Final answer
    x = 6,430.41

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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.