Home / 15,524.25-23,288.81-5,138.43

Finding the Fourth Proportional to 15,524.25, 23,288.81 and 5,138.43

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Solution

The fourth proportional to 15,524.25, 23,288.81 and 5,138.43 is: 7,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.25 : 23,288.81 = 5,138.43 : x
  2. Step 2: Convert to fraction form
    15,524.25/23,288.81 = 5,138.43/x
  3. Step 3: Cross multiply
    15,524.25x = 23,288.81 × 5,138.43
  4. Step 4: Simplify right side
    15,524.25x = 119,667,894.28
  5. Step 5: Solve for x
    x = 119,667,894.28/15,524.25
  6. Step 6: Final answer
    x = 7,708.45

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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.