Home / 23,048.64-34,572.96-18,936

Finding the Fourth Proportional to 23,048.64, 34,572.96 and 18,936

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Solution

The fourth proportional to 23,048.64, 34,572.96 and 18,936 is: 28,404

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.64 : 34,572.96 = 18,936 : x
  2. Step 2: Convert to fraction form
    23,048.64/34,572.96 = 18,936/x
  3. Step 3: Cross multiply
    23,048.64x = 34,572.96 × 18,936
  4. Step 4: Simplify right side
    23,048.64x = 654,673,570.56
  5. Step 5: Solve for x
    x = 654,673,570.56/23,048.64
  6. Step 6: Final answer
    x = 28,404

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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.