Home / 13,331.12-19,997.69-4,565.97

Finding the Fourth Proportional to 13,331.12, 19,997.69 and 4,565.97

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Solution

The fourth proportional to 13,331.12, 19,997.69 and 4,565.97 is: 6,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.12 : 19,997.69 = 4,565.97 : x
  2. Step 2: Convert to fraction form
    13,331.12/19,997.69 = 4,565.97/x
  3. Step 3: Cross multiply
    13,331.12x = 19,997.69 × 4,565.97
  4. Step 4: Simplify right side
    13,331.12x = 91,308,829.78
  5. Step 5: Solve for x
    x = 91,308,829.78/13,331.12
  6. Step 6: Final answer
    x = 6,849.30

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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.