Home / 14,256.64-19,675.20-7,968.61

Finding the Fourth Proportional to 14,256.64, 19,675.20 and 7,968.61

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Solution

The fourth proportional to 14,256.64, 19,675.20 and 7,968.61 is: 10,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.64 : 19,675.20 = 7,968.61 : x
  2. Step 2: Convert to fraction form
    14,256.64/19,675.20 = 7,968.61/x
  3. Step 3: Cross multiply
    14,256.64x = 19,675.20 × 7,968.61
  4. Step 4: Simplify right side
    14,256.64x = 156,783,995.47
  5. Step 5: Solve for x
    x = 156,783,995.47/14,256.64
  6. Step 6: Final answer
    x = 10,997.26

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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.