Home / 17,643.90-24,349.86-11,665.20

Finding the Fourth Proportional to 17,643.90, 24,349.86 and 11,665.20

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Solution

The fourth proportional to 17,643.90, 24,349.86 and 11,665.20 is: 16,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.90 : 24,349.86 = 11,665.20 : x
  2. Step 2: Convert to fraction form
    17,643.90/24,349.86 = 11,665.20/x
  3. Step 3: Cross multiply
    17,643.90x = 24,349.86 × 11,665.20
  4. Step 4: Simplify right side
    17,643.90x = 284,045,986.87
  5. Step 5: Solve for x
    x = 284,045,986.87/17,643.90
  6. Step 6: Final answer
    x = 16,098.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.