Home / 14,022.36-21,040.92-5,708.52

Finding the Fourth Proportional to 14,022.36, 21,040.92 and 5,708.52

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Solution

The fourth proportional to 14,022.36, 21,040.92 and 5,708.52 is: 8,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.36 : 21,040.92 = 5,708.52 : x
  2. Step 2: Convert to fraction form
    14,022.36/21,040.92 = 5,708.52/x
  3. Step 3: Cross multiply
    14,022.36x = 21,040.92 × 5,708.52
  4. Step 4: Simplify right side
    14,022.36x = 120,112,512.64
  5. Step 5: Solve for x
    x = 120,112,512.64/14,022.36
  6. Step 6: Final answer
    x = 8,565.78

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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.