Home / 13,292.72-19,939.07-3,932

Finding the Fourth Proportional to 13,292.72, 19,939.07 and 3,932

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Solution

The fourth proportional to 13,292.72, 19,939.07 and 3,932 is: 5,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.72 : 19,939.07 = 3,932 : x
  2. Step 2: Convert to fraction form
    13,292.72/19,939.07 = 3,932/x
  3. Step 3: Cross multiply
    13,292.72x = 19,939.07 × 3,932
  4. Step 4: Simplify right side
    13,292.72x = 78,400,403.58
  5. Step 5: Solve for x
    x = 78,400,403.58/13,292.72
  6. Step 6: Final answer
    x = 5,898.00

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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.